Fix FetchAtomService not finding alternatives if there's a Link header (#6170)
Fix FetchAtomService not finding alternatives if there's a Link header (#6170)

without them, such as is the case with GNU social

Fixes the ability to find GNU social accounts via URL in search and
when using remote follow function
musashino205/mastodon,im-in-space/mastodon,rekif/mastodon,mimumemo/mastodon,imas/mastodon,ambition-vietnam/mastodon,tri-star/mastodon,lynlynlynx/mastodon,clworld/mastodon,dunn/mastodon,5thfloor/ichiji-social,mimumemo/mastodon,masto-donte-com-br/mastodon,mosaxiv/mastodon,foozmeat/mastodon,pointlessone/mastodon,MitarashiDango/mastodon,vahnj/mastodon,Chronister/mastodon,vahnj/mastodon,h3zjp/mastodon,blackle/mastodon,amazedkoumei/mastodon,anon5r/mastonon,ykzts/mastodon,Ryanaka/mastodon,WitchesTown/mastodon,rutan/mastodon,Nyoho/mastodon,lynlynlynx/mastodon,pinfort/mastodon,rainyday/mastodon,tri-star/mastodon,tootcafe/mastodon,cybrespace/mastodon,summoners-riftodon/mastodon,masto-donte-com-br/mastodon,tootcafe/mastodon,MastodonCloud/mastodon,kirakiratter/mastodon,yukimochi/mastodon,dwango/mastodon,kirakiratter/mastodon,pixiv/mastodon,lynlynlynx/mastodon,gol-cha/mastodon,Arukas/mastodon,musashino205/mastodon,mimumemo/mastodon,TheInventrix/mastodon,PlantsNetwork/mastodon,abcang/mastodon,dunn/mastodon,abcang/mastodon,SerCom-KC/mastodon,tateisu/mastodon,danhunsaker/mastodon,Chronister/mastodon,tootcafe/mastodon,primenumber/mastodon,tateisu/mastodon,foozmeat/mastodon,vahnj/mastodon,KnzkDev/mastodon,PlantsNetwork/mastodon,codl/mastodon,mhffdq/mastodon,ikuradon/mastodon,hugogameiro/mastodon,tootsuite/mastodon,im-in-space/mastodon,5thfloor/ichiji-social,anon5r/mastonon,sylph-sin-tyaku/mastodon,PlantsNetwork/mastodon,tateisu/mastodon,hugogameiro/mastodon,ambition-vietnam/mastodon,summoners-riftodon/mastodon,yukimochi/mastodon,ikuradon/mastodon,d6rkaiz/mastodon,imas/mastodon,glitch-soc/mastodon,hugogameiro/mastodon,pixiv/mastodon,honpya/taketodon,riku6460/chikuwagoddon,yukimochi/mastodon,yi0713/mastodon,clworld/mastodon,Craftodon/Craftodon,masarakki/mastodon,theoria24/mastodon,imas/mastodon,pixiv/mastodon,pinfort/mastodon,sylph-sin-tyaku/mastodon,ykzts/mastodon,SerCom-KC/mastodon,blackle/mastodon,res-ac/mstdn.res.ac,WitchesTown/mastodon,danhunsaker/mastodon,mhffdq/mastodon,salvadorpla/mastodon,masarakki/mastodon,res-ac/mstdn.res.ac,cobodo/mastodon,mstdn-jp/mastodon,musashino205/mastodon,gol-cha/mastodon,pso2club/mastodon,lindwurm/mastodon,rainyday/mastodon,pixiv/mastodon,MitarashiDango/mastodon,5thfloor/ichiji-social,Kirishima21/mastodon,clworld/mastodon,amazedkoumei/mastodon,honpya/taketodon,d6rkaiz/mastodon,kazh98/social.arnip.org,codl/mastodon,TheInventrix/mastodon,rekif/mastodon,mstdn-jp/mastodon,anon5r/mastonon,pointlessone/mastodon,riku6460/chikuwagoddon,unarist/mastodon,pso2club/mastodon,lindwurm/mastodon,mosaxiv/mastodon,h3zjp/mastodon,blackle/mastodon,foozmeat/mastodon,mosaxiv/mastodon,primenumber/mastodon,gol-cha/mastodon,TheInventrix/mastodon,dwango/mastodon,salvadorpla/mastodon,rainyday/mastodon,summoners-riftodon/mastodon,ykzts/mastodon,salvadorpla/mastodon,WitchesTown/mastodon,5thfloor/ichiji-social,abcang/mastodon,amazedkoumei/mastodon,im-in-space/mastodon,sylph-sin-tyaku/mastodon,Nyoho/mastodon,pso2club/mastodon,tri-star/mastodon,codl/mastodon,Arukas/mastodon,TheInventrix/mastodon,Craftodon/Craftodon,pinfort/mastodon,pinfort/mastodon,glitch-soc/mastodon,riku6460/chikuwagoddon,yukimochi/mastodon,cybrespace/mastodon,clworld/mastodon,imas/mastodon,foozmeat/mastodon,Chronister/mastodon,koba-lab/mastodon,codl/mastodon,increments/mastodon,blackle/mastodon,h3zjp/mastodon,riku6460/chikuwagoddon,mosaxiv/mastodon,tateisu/mastodon,Ryanaka/mastodon,vahnj/mastodon,maa123/mastodon,ikuradon/mastodon,NS-Kazuki/mastodon,salvadorpla/mastodon,yi0713/mastodon,masarakki/mastodon,SerCom-KC/mastodon,MastodonCloud/mastodon,unarist/mastodon,d6rkaiz/mastodon,yi0713/mastodon,tri-star/mastodon,Chronister/mastodon,rainyday/mastodon,unarist/mastodon,mstdn-jp/mastodon,d6rkaiz/mastodon,lindwurm/mastodon,maa123/mastodon,tootcafe/mastodon,lindwurm/mastodon,dwango/mastodon,gol-cha/mastodon,mhffdq/mastodon,TheInventrix/mastodon,masarakki/mastodon,cybrespace/mastodon,rekif/mastodon,yi0713/mastodon,dwango/mastodon,dunn/mastodon,masto-donte-com-br/mastodon,tootsuite/mastodon,increments/mastodon,theoria24/mastodon,MastodonCloud/mastodon,res-ac/mstdn.res.ac,pointlessone/mastodon,NS-Kazuki/mastodon,danhunsaker/mastodon,musashino205/mastodon,rutan/mastodon,hugogameiro/mastodon,Kirishima21/mastodon,summoners-riftodon/mastodon,theoria24/mastodon,NS-Kazuki/mastodon,mstdn-jp/mastodon,anon5r/mastonon,koba-lab/mastodon,mimumemo/mastodon,kirakiratter/mastodon,ykzts/mastodon,rekif/mastodon,ambition-vietnam/mastodon,primenumber/mastodon,cobodo/mastodon,primenumber/mastodon,cybrespace/mastodon,MitarashiDango/mastodon,ambition-vietnam/mastodon,kazh98/social.arnip.org,sylph-sin-tyaku/mastodon,Craftodon/Craftodon,Kirishima21/mastodon,cobodo/mastodon,KnzkDev/mastodon,mhffdq/mastodon,danhunsaker/mastodon,abcang/mastodon,im-in-space/mastodon,Arukas/mastodon,pso2club/mastodon,dunn/mastodon,rutan/mastodon,KnzkDev/mastodon,Ryanaka/mastodon,MastodonCloud/mastodon,koba-lab/mastodon,rutan/mastodon,Arukas/mastodon,theoria24/mastodon,koba-lab/mastodon,kirakiratter/mastodon,Nyoho/mastodon,vahnj/mastodon,pointlessone/mastodon,SerCom-KC/mastodon,Craftodon/Craftodon,kazh98/social.arnip.org,h3zjp/mastodon,glitch-soc/mastodon,unarist/mastodon,glitch-soc/mastodon,NS-Kazuki/mastodon,PlantsNetwork/mastodon,res-ac/mstdn.res.ac,MitarashiDango/mastodon,increments/mastodon,Ryanaka/mastodon,lynlynlynx/mastodon,increments/mastodon,Kirishima21/mastodon,masto-donte-com-br/mastodon,ikuradon/mastodon,KnzkDev/mastodon,honpya/taketodon,tootsuite/mastodon,cobodo/mastodon,honpya/taketodon,tootsuite/mastodon,WitchesTown/mastodon,Nyoho/mastodon,maa123/mastodon,maa123/mastodon,amazedkoumei/mastodon,kazh98/social.arnip.org