Fix forked repo has no icon and language stat. (#10791)

* Update header.tmpl

* Update _repository.less

* Update pull.go

* Update indexer.go

* Update pull.go

* Update pull.go

* Update indexer.go

* fix forked repo doesn't have language stat

* fix forked repo doesn't have language stat

* fix forked repo doesn't have language stat

* fix forked repo doesn't have language stat

* fix forked repo doesn't have language stat

* fix forked repo doesn't have language stat

* fix forked repo doesn't have language stat

* fix forked repo doesn't have language stat

* fix forked repo doesn't have language stat

* fix forked repo doesn't have language stat

* fix forked repo doesn't have language stat

Thanks the advice from lunny and 6543.

* fix forked repo doesn't have language stat

Modified as suggested by 6543.

* fix forked repo doesn't have language stat

simplify the function.

* fix forked repo doesn't have language stat

update the indexer after the loop

Co-authored-by: techknowlogick <techknowlogick@gitea.io>
Co-authored-by: Lauris BH <lauris@nix.lv>

web_src/less/_repository.less

@@ -35,7 +35,6 @@
 
         .svg.octicon-repo-forked {
             margin-top: -1px;
-            height: 15px;
         }
 
         .button {