support headless vsix installations
support headless vsix installations

fixes #9585

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