Refactor the "attachments" sub-template data key to RenderedContent (#29517)

The value passed into "attachments" sub-template is from
"RedneredContent", so use the same name for consistent. And it makes
readers easy to know its data type.

Author: wxiaoguang

templates/repo/diff/comments.tmpl

@@ -63,7 +63,7 @@
 			<div id="issuecomment-{{.ID}}-raw" class="raw-content gt-hidden">{{.Content}}</div>
 			<div class="edit-content-zone gt-hidden" data-update-url="{{$.root.RepoLink}}/comments/{{.ID}}" data-context="{{$.root.RepoLink}}" data-attachment-url="{{$.root.RepoLink}}/comments/{{.ID}}/attachments"></div>
 			{{if .Attachments}}
-				{{template "repo/issue/view_content/attachments" dict "ctxData" $ "Attachments" .Attachments "Content" .RenderedContent}}
+				{{template "repo/issue/view_content/attachments" dict "ctxData" $ "Attachments" .Attachments "RenderedContent" .RenderedContent}}
 			{{end}}
 		</div>
 		{{$reactions := .Reactions.GroupByType}}

templates/repo/issue/view_content.tmpl

@@ -62,7 +62,7 @@
 						<div id="issue-{{.Issue.ID}}-raw" class="raw-content gt-hidden">{{.Issue.Content}}</div>
 						<div class="edit-content-zone gt-hidden" data-update-url="{{$.RepoLink}}/issues/{{.Issue.Index}}/content" data-context="{{.RepoLink}}" data-attachment-url="{{$.RepoLink}}/issues/{{.Issue.Index}}/attachments" data-view-attachment-url="{{$.RepoLink}}/issues/{{.Issue.Index}}/view-attachments"></div>
 						{{if .Issue.Attachments}}
-							{{template "repo/issue/view_content/attachments" dict "ctxData" $ "Attachments" .Issue.Attachments "Content" .Issue.RenderedContent}}
+							{{template "repo/issue/view_content/attachments" dict "ctxData" $ "Attachments" .Issue.Attachments "RenderedContent" .Issue.RenderedContent}}
 						{{end}}
 					</div>
 					{{$reactions := .Issue.Reactions.GroupByType}}

templates/repo/issue/view_content/attachments.tmpl

@@ -8,7 +8,7 @@
 			<div class="gt-f1 gt-p-3">
 				<a target="_blank" rel="noopener noreferrer" href="{{.DownloadURL}}" title="{{ctx.Locale.Tr "repo.issues.attachment.open_tab" .Name}}">
 					{{if FilenameIsImage .Name}}
-						{{if not (StringUtils.Contains (StringUtils.ToString $.Content) .UUID)}}
+						{{if not (StringUtils.Contains (StringUtils.ToString $.RenderedContent) .UUID)}}
 							{{$hasThumbnails = true}}
 						{{end}}
 						{{svg "octicon-file"}}
@@ -29,7 +29,7 @@
 		<div class="ui small thumbnails">
 			{{- range .Attachments -}}
 				{{if FilenameIsImage .Name}}
-					{{if not (StringUtils.Contains (StringUtils.ToString $.Content) .UUID)}}
+					{{if not (StringUtils.Contains (StringUtils.ToString $.RenderedContent) .UUID)}}
 					<a target="_blank" rel="noopener noreferrer" href="{{.DownloadURL}}">
 						<img alt="{{.Name}}" src="{{.DownloadURL}}" title="{{ctx.Locale.Tr "repo.issues.attachment.open_tab" .Name}}">
 					</a>

templates/repo/issue/view_content/comments.tmpl

@@ -69,7 +69,7 @@
 						<div id="issuecomment-{{.ID}}-raw" class="raw-content gt-hidden">{{.Content}}</div>
 						<div class="edit-content-zone gt-hidden" data-update-url="{{$.RepoLink}}/comments/{{.ID}}" data-context="{{$.RepoLink}}" data-attachment-url="{{$.RepoLink}}/comments/{{.ID}}/attachments"></div>
 						{{if .Attachments}}
-							{{template "repo/issue/view_content/attachments" dict "ctxData" $ "Attachments" .Attachments "Content" .RenderedContent}}
+							{{template "repo/issue/view_content/attachments" dict "ctxData" $ "Attachments" .Attachments "RenderedContent" .RenderedContent}}
 						{{end}}
 					</div>
 					{{$reactions := .Reactions.GroupByType}}
@@ -440,7 +440,7 @@
 							<div id="issuecomment-{{.ID}}-raw" class="raw-content gt-hidden">{{.Content}}</div>
 							<div class="edit-content-zone gt-hidden" data-update-url="{{$.RepoLink}}/comments/{{.ID}}" data-context="{{$.RepoLink}}" data-attachment-url="{{$.RepoLink}}/comments/{{.ID}}/attachments"></div>
 							{{if .Attachments}}
-								{{template "repo/issue/view_content/attachments" dict "ctxData" $ "Attachments" .Attachments "Content" .RenderedContent}}
+								{{template "repo/issue/view_content/attachments" dict "ctxData" $ "Attachments" .Attachments "RenderedContent" .RenderedContent}}
 							{{end}}
 						</div>
 						{{$reactions := .Reactions.GroupByType}}

templates/repo/issue/view_content/conversation.tmpl

@@ -95,7 +95,7 @@
 							<div id="issuecomment-{{.ID}}-raw" class="raw-content gt-hidden">{{.Content}}</div>
 							<div class="edit-content-zone gt-hidden" data-update-url="{{$.RepoLink}}/comments/{{.ID}}" data-context="{{$.RepoLink}}" data-attachment-url="{{$.RepoLink}}/comments/{{.ID}}/attachments"></div>
 							{{if .Attachments}}
-								{{template "repo/issue/view_content/attachments" dict "ctxData" $ "Attachments" .Attachments "Content" .RenderedContent}}
+								{{template "repo/issue/view_content/attachments" dict "ctxData" $ "Attachments" .Attachments "RenderedContent" .RenderedContent}}
 							{{end}}
 						</div>
 						{{$reactions := .Reactions.GroupByType}}