Change repo search to use exact match for topic search. (#7941)
Change repo search to use exact match for topic search. (#7941)

Signed-off-by: David Svantesson <b19c49b6b537e361613416d4cafdd9f10443fa4c@gmail.com>
go-gitea/gitea,lafriks/gitea,vdbt/gitea,cez81/gitea,lafriks/gitea,cez81/gitea,go-gitea/gitea,typeless/gitea,kubatyszko/gitea,kubatyszko/gitea,lafriks/gitea,typeless/gitea,go-gitea/gitea,sapk-fork/gitea,sapk-fork/gitea,vdbt/gitea,vCaesar/gitea,kubatyszko/gitea,vCaesar/gitea,typeless/gitea,sapk-fork/gitea,cez81/gitea,typeless/gitea,sapk-fork/gitea