Fix the bug that the emoji don't disappear(#11489) (#11530)

Co-authored-by: John Olheiser <john.olheiser@gmail.com>
Co-authored-by: techknowlogick <techknowlogick@gitea.io>

web_src/js/index.js

@@ -241,7 +241,7 @@ function initReactionSelector(parent) {
       if (resp && (resp.html || resp.empty)) {
         const content = $(vm).closest('.content');
         let react = content.find('.segment.reactions');
-        if (!resp.empty && react.length > 0) {
+        if ((!resp.empty || resp.html === '') && react.length > 0) {
           react.remove();
         }
         if (!resp.empty) {