Change conditional to avoid nil into string error in sidekiq (#5987)
Change conditional to avoid nil into string error in sidekiq (#5987)

* Change conditional to avoid nil into string error in sidekiq
When obtaining information about users with mastodon in a different
subdomain, sidekiq was giving out a 'no implicit conversion of nil into String'

* Use presence instead of blank? with ternary.
Following suggestion on PR

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