don't run parser for getNameAt if text has not changed

public/scripts/slash-commands/SlashCommandParser.js

@@ -178,12 +178,14 @@ export class SlashCommandParser {
      * @param {*} index Index to check for names (cursor position).
      */
     getNameAt(text, index) {
+        if (this.text != `{:${text}:}`) {
             try {
                 this.parse(text, false);
             } catch (e) {
                 // do nothing
                 console.warn(e);
             }
+        }
         index += 2;
         const executor = this.commandIndex
             .filter(it=>it.start <= index && (it.end >= index || it.end == null))