Fix some colors of high contrast theme (#10711)
Fix some colors of high contrast theme (#10711)

* Fix "nothing here" text color of high contrast

* Fix counter border color of high contrast

clworld/mastodon,lynlynlynx/mastodon,koba-lab/mastodon,tri-star/mastodon,kazh98/social.arnip.org,5thfloor/ichiji-social,glitch-soc/mastodon,salvadorpla/mastodon,tateisu/mastodon,Nyoho/mastodon,ykzts/mastodon,imas/mastodon,Nyoho/mastodon,5thfloor/ichiji-social,abcang/mastodon,tootsuite/mastodon,tootcafe/mastodon,d6rkaiz/mastodon,kirakiratter/mastodon,kirakiratter/mastodon,cobodo/mastodon,tri-star/mastodon,gol-cha/mastodon,pinfort/mastodon,yi0713/mastodon,rainyday/mastodon,lindwurm/mastodon,imas/mastodon,imas/mastodon,Kirishima21/mastodon,theoria24/mastodon,Kirishima21/mastodon,KnzkDev/mastodon,maa123/mastodon,rainyday/mastodon,tootcafe/mastodon,salvadorpla/mastodon,pso2club/mastodon,gol-cha/mastodon,salvadorpla/mastodon,tri-star/mastodon,primenumber/mastodon,danhunsaker/mastodon,h3zjp/mastodon,im-in-space/mastodon,dunn/mastodon,glitch-soc/mastodon,5thfloor/ichiji-social,abcang/mastodon,Kirishima21/mastodon,koba-lab/mastodon,danhunsaker/mastodon,im-in-space/mastodon,danhunsaker/mastodon,sylph-sin-tyaku/mastodon,h3zjp/mastodon,musashino205/mastodon,clworld/mastodon,masto-donte-com-br/mastodon,kazh98/social.arnip.org,clworld/mastodon,gol-cha/mastodon,abcang/mastodon,cobodo/mastodon,kirakiratter/mastodon,ykzts/mastodon,ikuradon/mastodon,kirakiratter/mastodon,ykzts/mastodon,MitarashiDango/mastodon,tootsuite/mastodon,MitarashiDango/mastodon,maa123/mastodon,yukimochi/mastodon,5thfloor/ichiji-social,Ryanaka/mastodon,h3zjp/mastodon,ikuradon/mastodon,dunn/mastodon,tri-star/mastodon,sylph-sin-tyaku/mastodon,MitarashiDango/mastodon,pinfort/mastodon,d6rkaiz/mastodon,tootcafe/mastodon,theoria24/mastodon,glitch-soc/mastodon,rainyday/mastodon,tateisu/mastodon,maa123/mastodon,tateisu/mastodon,Nyoho/mastodon,theoria24/mastodon,masto-donte-com-br/mastodon,yukimochi/mastodon,h3zjp/mastodon,tootcafe/mastodon,pso2club/mastodon,danhunsaker/mastodon,Ryanaka/mastodon,gol-cha/mastodon,yukimochi/mastodon,cobodo/mastodon,rainyday/mastodon,sylph-sin-tyaku/mastodon,musashino205/mastodon,Ryanaka/mastodon,Nyoho/mastodon,d6rkaiz/mastodon,ikuradon/mastodon,maa123/mastodon,pso2club/mastodon,tootsuite/mastodon,lindwurm/mastodon,dunn/mastodon,lynlynlynx/mastodon,sylph-sin-tyaku/mastodon,yi0713/mastodon,koba-lab/mastodon,masto-donte-com-br/mastodon,KnzkDev/mastodon,glitch-soc/mastodon,primenumber/mastodon,musashino205/mastodon,abcang/mastodon,lindwurm/mastodon,clworld/mastodon,kazh98/social.arnip.org,d6rkaiz/mastodon,dunn/mastodon,KnzkDev/mastodon,yi0713/mastodon,kazh98/social.arnip.org,im-in-space/mastodon,tateisu/mastodon,tootsuite/mastodon,ikuradon/mastodon,primenumber/mastodon,imas/mastodon,pinfort/mastodon,Ryanaka/mastodon,primenumber/mastodon,ykzts/mastodon,Kirishima21/mastodon,im-in-space/mastodon,koba-lab/mastodon,musashino205/mastodon,lynlynlynx/mastodon,pso2club/mastodon,cobodo/mastodon,MitarashiDango/mastodon,KnzkDev/mastodon,pinfort/mastodon,masto-donte-com-br/mastodon,yukimochi/mastodon,lynlynlynx/mastodon,yi0713/mastodon,lindwurm/mastodon,salvadorpla/mastodon,theoria24/mastodon