Fix incorrect asset URL (#15805)

Fixes another regression from https://github.com/go-gitea/gitea/pull/15219.

modules/templates/helper.go

@@ -766,7 +766,7 @@ func ReactionToEmoji(reaction string) template.HTML {
 	if val != nil {
 		return template.HTML(val.Emoji)
 	}
-	return template.HTML(fmt.Sprintf(`<img alt=":%s:" src="%s/img/emoji/%s.png"></img>`, reaction, setting.StaticURLPrefix, reaction))
+	return template.HTML(fmt.Sprintf(`<img alt=":%s:" src="%s/assets/img/emoji/%s.png"></img>`, reaction, setting.StaticURLPrefix, reaction))
 }
 
 // RenderNote renders the contents of a git-notes file as a commit message.

routers/routes/web.go

@@ -173,7 +173,7 @@ func WebRoutes() *web.Route {
 
 	// this png is very likely to always be below the limit for gzip so it doesn't need to pass through gzip
 	routes.Get("/apple-touch-icon.png", func(w http.ResponseWriter, req *http.Request) {
-		http.Redirect(w, req, path.Join(setting.StaticURLPrefix, "img/apple-touch-icon.png"), 301)
+		http.Redirect(w, req, path.Join(setting.StaticURLPrefix, "/assets/img/apple-touch-icon.png"), 301)
 	})
 
 	gob.Register(&u2f.Challenge{})