fix(banned words): fix partial matching of words containing diacritic… (#12444)

* fix(banned words): fix partial matching of words containing diacritics against banned words list (#12309)

* lint: remove whitespace to fix error

* test: add test to prevent partial matching of words containing diacritics against banned words list (#12309)

* doc: add link to Unicode table of diacritical marks (#12309)

test/api/unit/libs/stringUtils.test.js

@@ -8,5 +8,10 @@ describe('stringUtils', () => {
       const matches = getMatchesByWordArray(message, bannedWords);
       expect(matches.length).to.equal(bannedWords.length);
     });
+    it('doesn\'t flag names with accented characters', () => {
+      const name = 'TESTPLACEHOLDERSWEARWORDHEREé';
+      const matches = getMatchesByWordArray(name, bannedWords);
+      expect(matches.length).to.equal(0);
+    });
   });
 });