Fix hashtags not being picked up when full-width hash sign is used (#36103)

Co-authored-by: Claire <claire.github-309c@sitedethib.com>

app/javascript/mastodon/components/autosuggest_input.jsx

@@ -61,7 +61,7 @@ export default class AutosuggestInput extends ImmutablePureComponent {
 
   static defaultProps = {
     autoFocus: true,
-    searchTokens: ['@', ':', '#'],
+    searchTokens: ['@', '＠', ':', '#', '＃'],
   };
 
   state = {

app/javascript/mastodon/components/autosuggest_textarea.jsx

@@ -25,7 +25,7 @@ const textAtCursorMatchesToken = (str, caretPosition) => {
     word = str.slice(left, right + caretPosition);
   }
 
-  if (!word || word.trim().length < 3 || ['@', ':', '#'].indexOf(word[0]) === -1) {
+  if (!word || word.trim().length < 3 || ['@', '＠', ':', '#', '＃'].indexOf(word[0]) === -1) {
     return [null, null];
   }