extensions: include markdown.css in built vscode
extensions: include markdown.css in built vscode

fixes #8251, #8258,

hoovercj/vscode,eamodio/vscode,eklavyamirani/vscode,eklavyamirani/vscode,landonepps/vscode,microsoft/vscode,eamodio/vscode,zyml/vscode,rishii7/vscode,0xmohit/vscode,gagangupt16/vscode,radshit/vscode,Zalastax/vscode,rishii7/vscode,hoovercj/vscode,Krzysztof-Cieslak/vscode,joaomoreno/vscode,mjbvz/vscode,rishii7/vscode,veeramarni/vscode,joaomoreno/vscode,gagangupt16/vscode,charlespierce/vscode,stringham/vscode,DustinCampbell/vscode,microlv/vscode,the-ress/vscode,Zalastax/vscode,cleidigh/vscode,microlv/vscode,jchadwick/vscode,radshit/vscode,eklavyamirani/vscode,hungys/vscode,Zalastax/vscode,eklavyamirani/vscode,stringham/vscode,jchadwick/vscode,KattMingMing/vscode,charlespierce/vscode,eamodio/vscode,Krzysztof-Cieslak/vscode,DustinCampbell/vscode,williamcspace/vscode,cleidigh/vscode,matthewshirley/vscode,Microsoft/vscode,joaomoreno/vscode,veeramarni/vscode,matthewshirley/vscode,rishii7/vscode,hashhar/vscode,zyml/vscode,hashhar/vscode,gagangupt16/vscode,cleidigh/vscode,stringham/vscode,eamodio/vscode,landonepps/vscode,radshit/vscode,microlv/vscode,matthewshirley/vscode,matthewshirley/vscode,cleidigh/vscode,0xmohit/vscode,hoovercj/vscode,matthewshirley/vscode,radshit/vscode,veeramarni/vscode,stringham/vscode,matthewshirley/vscode,rishii7/vscode,joaomoreno/vscode,zyml/vscode,eamodio/vscode,the-ress/vscode,landonepps/vscode,veeramarni/vscode,rishii7/vscode,radshit/vscode,williamcspace/vscode,landonepps/vscode,stringham/vscode,microsoft/vscode,zyml/vscode,microlv/vscode,radshit/vscode,radshit/vscode,Microsoft/vscode,gagangupt16/vscode,hungys/vscode,matthewshirley/vscode,jchadwick/vscode,KattMingMing/vscode,hungys/vscode,KattMingMing/vscode,joaomoreno/vscode,mjbvz/vscode,Krzysztof-Cieslak/vscode,DustinCampbell/vscode,hoovercj/vscode,veeramarni/vscode,hoovercj/vscode,mjbvz/vscode,matthewshirley/vscode,gagangupt16/vscode,matthewshirley/vscode,DustinCampbell/vscode,Krzysztof-Cieslak/vscode,charlespierce/vscode,Microsoft/vscode,gagangupt16/vscode,hungys/vscode,the-ress/vscode,eklavyamirani/vscode,0xmohit/vscode,eamodio/vscode,mjbvz/vscode,microsoft/vscode,microlv/vscode,KattMingMing/vscode,radshit/vscode,Microsoft/vscode,DustinCampbell/vscode,microsoft/vscode,microsoft/vscode,veeramarni/vscode,charlespierce/vscode,rishii7/vscode,joaomoreno/vscode,Krzysztof-Cieslak/vscode,Microsoft/vscode,eamodio/vscode,williamcspace/vscode,radshit/vscode,charlespierce/vscode,charlespierce/vscode,veeramarni/vscode,Zalastax/vscode,radshit/vscode,jchadwick/vscode,cleidigh/vscode,0xmohit/vscode,Krzysztof-Cieslak/vscode,mjbvz/vscode,rishii7/vscode,the-ress/vscode,hoovercj/vscode,cleidigh/vscode,the-ress/vscode,williamcspace/vscode,zyml/vscode,Zalastax/vscode,jchadwick/vscode,KattMingMing/vscode,KattMingMing/vscode,landonepps/vscode,gagangupt16/vscode,eamodio/vscode,zyml/vscode,hungys/vscode,cleidigh/vscode,jchadwick/vscode,jchadwick/vscode,0xmohit/vscode,eamodio/vscode,williamcspace/vscode,landonepps/vscode,0xmohit/vscode,hashhar/vscode,stringham/vscode,stringham/vscode,KattMingMing/vscode,mjbvz/vscode,Zalastax/vscode,charlespierce/vscode,joaomoreno/vscode,joaomoreno/vscode,williamcspace/vscode,charlespierce/vscode,stringham/vscode,Krzysztof-Cieslak/vscode,williamcspace/vscode,veeramarni/vscode,hashhar/vscode,hashhar/vscode,cleidigh/vscode,DustinCampbell/vscode,williamcspace/vscode,mjbvz/vscode,Microsoft/vscode,charlespierce/vscode,hungys/vscode,hoovercj/vscode,charlespierce/vscode,KattMingMing/vscode,cleidigh/vscode,landonepps/vscode,cleidigh/vscode,microlv/vscode,the-ress/vscode,stringham/vscode,microlv/vscode,charlespierce/vscode,eklavyamirani/vscode,hungys/vscode,KattMingMing/vscode,cleidigh/vscode,hungys/vscode,mjbvz/vscode,0xmohit/vscode,joaomoreno/vscode,0xmohit/vscode,eklavyamirani/vscode,the-ress/vscode,hashhar/vscode,the-ress/vscode,rishii7/vscode,rkeithhill/VSCode,landonepps/vscode,Zalastax/vscode,hoovercj/vscode,eklavyamirani/vscode,hashhar/vscode,hungys/vscode,Microsoft/vscode,rishii7/vscode,hoovercj/vscode,hoovercj/vscode,microsoft/vscode,the-ress/vscode,microlv/vscode,hoovercj/vscode,rishii7/vscode,stringham/vscode,matthewshirley/vscode,hoovercj/vscode,Zalastax/vscode,gagangupt16/vscode,veeramarni/vscode,0xmohit/vscode,rishii7/vscode,Microsoft/vscode,landonepps/vscode,williamcspace/vscode,0xmohit/vscode,hashhar/vscode,mjbvz/vscode,Microsoft/vscode,the-ress/vscode,Microsoft/vscode,zyml/vscode,DustinCampbell/vscode,eklavyamirani/vscode,mjbvz/vscode,microsoft/vscode,mjbvz/vscode,mjbvz/vscode,veeramarni/vscode,microlv/vscode,rishii7/vscode,Microsoft/vscode,hungys/vscode,KattMingMing/vscode,microsoft/vscode,0xmohit/vscode,hashhar/vscode,the-ress/vscode,microlv/vscode,hashhar/vscode,eklavyamirani/vscode,Zalastax/vscode,eamodio/vscode,0xmohit/vscode,Krzysztof-Cieslak/vscode,Microsoft/vscode,zyml/vscode,rishii7/vscode,microlv/vscode,KattMingMing/vscode,matthewshirley/vscode,0xmohit/vscode,eamodio/vscode,williamcspace/vscode,microlv/vscode,Krzysztof-Cieslak/vscode,hashhar/vscode,williamcspace/vscode,hungys/vscode,eamodio/vscode,the-ress/vscode,zyml/vscode,zyml/vscode,stringham/vscode,hashhar/vscode,charlespierce/vscode,eamodio/vscode,radshit/vscode,hungys/vscode,cra0zy/VSCode,jchadwick/vscode,hungys/vscode,matthewshirley/vscode,KattMingMing/vscode,radshit/vscode,DustinCampbell/vscode,mjbvz/vscode,joaomoreno/vscode,charlespierce/vscode,Krzysztof-Cieslak/vscode,stringham/vscode,Microsoft/vscode,veeramarni/vscode,mjbvz/vscode,microsoft/vscode,hashhar/vscode,mjbvz/vscode,gagangupt16/vscode,zyml/vscode,microsoft/vscode,KattMingMing/vscode,jchadwick/vscode,jchadwick/vscode,joaomoreno/vscode,matthewshirley/vscode,eklavyamirani/vscode,rishii7/vscode,microlv/vscode,eklavyamirani/vscode,Krzysztof-Cieslak/vscode,gagangupt16/vscode,joaomoreno/vscode,Krzysztof-Cieslak/vscode,radshit/vscode,matthewshirley/vscode,hungys/vscode,joaomoreno/vscode,matthewshirley/vscode,microlv/vscode,landonepps/vscode,rishii7/vscode,hungys/vscode,DustinCampbell/vscode,microlv/vscode,Microsoft/vscode,jchadwick/vscode,microsoft/vscode,gagangupt16/vscode,microsoft/vscode,zyml/vscode,jchadwick/vscode,matthewshirley/vscode,DustinCampbell/vscode,DustinCampbell/vscode,radshit/vscode,veeramarni/vscode,landonepps/vscode,veeramarni/vscode,Microsoft/vscode,eamodio/vscode,0xmohit/vscode,eklavyamirani/vscode,Krzysztof-Cieslak/vscode,DustinCampbell/vscode,gagangupt16/vscode,DustinCampbell/vscode,joaomoreno/vscode,Zalastax/vscode,williamcspace/vscode,Microsoft/vscode,radshit/vscode,landonepps/vscode,radshit/vscode,hungys/vscode,jchadwick/vscode,gagangupt16/vscode,rishii7/vscode,williamcspace/vscode,microsoft/vscode,hashhar/vscode,gagangupt16/vscode,charlespierce/vscode,Krzysztof-Cieslak/vscode,Krzysztof-Cieslak/vscode,stringham/vscode,microsoft/vscode,hoovercj/vscode,landonepps/vscode,Zalastax/vscode,veeramarni/vscode,hungys/vscode,Krzysztof-Cieslak/vscode,KattMingMing/vscode,stringham/vscode,the-ress/vscode,microsoft/vscode,zyml/vscode,stringham/vscode,KattMingMing/vscode,the-ress/vscode,cleidigh/vscode,williamcspace/vscode,charlespierce/vscode,Zalastax/vscode,microlv/vscode,landonepps/vscode,microsoft/vscode,Zalastax/vscode,williamcspace/vscode,jchadwick/vscode,Zalastax/vscode,eamodio/vscode,hoovercj/vscode,stringham/vscode,cleidigh/vscode,mjbvz/vscode,landonepps/vscode,veeramarni/vscode,williamcspace/vscode,williamcspace/vscode,microsoft/vscode,Zalastax/vscode,Zalastax/vscode,DustinCampbell/vscode,eklavyamirani/vscode,jchadwick/vscode,jchadwick/vscode,charlespierce/vscode,DustinCampbell/vscode,Krzysztof-Cieslak/vscode,zyml/vscode,landonepps/vscode,joaomoreno/vscode,veeramarni/vscode,matthewshirley/vscode,landonepps/vscode,cleidigh/vscode,veeramarni/vscode,gagangupt16/vscode,stringham/vscode,the-ress/vscode,eklavyamirani/vscode,Microsoft/vscode,cleidigh/vscode,Zalastax/vscode,cleidigh/vscode,KattMingMing/vscode,KattMingMing/vscode,eklavyamirani/vscode,eamodio/vscode,hoovercj/vscode,DustinCampbell/vscode,the-ress/vscode,gagangupt16/vscode,mjbvz/vscode,hashhar/vscode,jchadwick/vscode,0xmohit/vscode,0xmohit/vscode,0xmohit/vscode,zyml/vscode,eklavyamirani/vscode,radshit/vscode,eamodio/vscode,microlv/vscode,hashhar/vscode,cleidigh/vscode,charlespierce/vscode,joaomoreno/vscode,zyml/vscode,hoovercj/vscode,DustinCampbell/vscode,hashhar/vscode,zyml/vscode,gagangupt16/vscode,hoovercj/vscode,joaomoreno/vscode