Only warn on bidi but still escape non-bidi (#18333)

Fix #18324

Signed-off-by: Andrew Thornton <art27@cantab.net>

Author: zeripath

templates/repo/unicode_escape_prompt.tmpl

@@ -7,7 +7,7 @@
 			</div>
 			<p>{{$.root.i18n.Tr "repo.bidi_bad_description" | Str2html}}</p>
 		</div>
-	{{else if .EscapeStatus.Escaped}}
+	{{else if .EscapeStatus.HasBIDI}}
 		<div class="ui warning message unicode-escape-prompt">
 			<span class="close icon hide-panel button" data-panel-closest=".message">{{svg "octicon-x" 16 "close inside"}}</span>
 			<div class="header">