chore: add JS unit test

Add a test to show that `matchEmoji` is aware of custom emojis.
Also changes how aliases are handled (aliases are no longer correlated
to each other and there's no preference for the main alias).

web_src/js/utils/match.test.js

@@ -30,7 +30,7 @@ test('matchEmoji', () => {
 
   expect(matchEmoji('poo')).toEqual([
     'poodle',
-    'hankey',
+    'poop',
     'spoon',
     'bowl_with_spoon',
   ]);
@@ -42,6 +42,19 @@ test('matchEmoji', () => {
   expect(matchEmoji('jellyfis')).toEqual([
     'jellyfish',
   ]);
+
+  expect(matchEmoji('forge')).toEqual([
+    'forgejo',
+  ]);
+
+  expect(matchEmoji('frog')).toEqual([
+    'frog',
+    'frogejo',
+  ]);
+
+  expect(matchEmoji('blob')).toEqual([
+    'blobnom',
+  ]);
 });
 
 test('matchMention', () => {