Fix search for mentions

Change version

src/config/app.ts

@@ -12,7 +12,7 @@
 const App = {
   id: 1025907,
   hash: '452b0359b988148995f22ff0f4229750',
-  version: '0.5.6',
+  version: '0.5.7',
   langPackVersion: '0.2.3',
   langPack: 'macos',
   langPackCode: 'en',

src/lib/searchIndex.ts

@@ -14,7 +14,8 @@ import cleanSearchText from '../helpers/cleanSearchText';
 export default class SearchIndex<SearchWhat> {
   private fullTexts: Map<SearchWhat, string> = new Map();
 
-  constructor(private cleanText = true, private latinize = true, private minChars: number = 1) {
+  // minChars can be 0 because it requires at least one word (one symbol) to be found
+  constructor(private cleanText = true, private latinize = true, private minChars: number = 0) {
 
   }