fix PR reactions

Author: 6543

routers/repo/pull.go

@@ -422,6 +422,7 @@ func PrepareViewPullInfo(ctx *context.Context, issue *models.Issue) *git.Compare
 
 	ctx.Data["NumCommits"] = compareInfo.Commits.Len()
 	ctx.Data["NumFiles"] = compareInfo.NumFiles
+	ctx.Data["AllowedReactions"] = setting.UI.Reactions
 	return compareInfo
 }
 

templates/repo/diff/comments.tmpl

@@ -38,7 +38,7 @@
 		{{$reactions := .Reactions.GroupByType}}
 		{{if $reactions}}
 			<div class="ui attached segment reactions">
-			{{template "repo/issue/view_content/reactions" Dict "ctx" $ "ActionURL" (Printf "%s/comments/%d/reactions" $.root.RepoLink .ID) "Reactions" $reactions }}
+			{{template "repo/issue/view_content/reactions" Dict "ctx" $ "ActionURL" (Printf "%s/comments/%d/reactions" $.root.RepoLink .ID) "Reactions" $reactions "AllowedReactions" $.AllowedReactions }}
 			</div>
 		{{end}}
 	</div>

templates/repo/issue/view_content/reactions.tmpl

@@ -10,4 +10,6 @@
 		{{len $value}}
 	</a>
 {{end}}
-{{template "repo/issue/view_content/add_reaction" Dict "ctx" $.ctx "ActionURL" .ActionURL "AllowedReactions" $.AllowedReactions}}
+{{if $.AllowedReactions}}
+	{{template "repo/issue/view_content/add_reaction" Dict "ctx" $.ctx "ActionURL" .ActionURL "AllowedReactions" $.AllowedReactions}}
+{{end}}