refactor(editor): Refactor utils files and mixins (#4654)

* ✨ Added `utils` module. Moved `canvasHelpers` and old `utils.ts` file to it
* ✨ Moved rest of utils and helpers
* ⚡ Fixing sytax errors
* 🔨 Refactoring new utils files
* 🔨 Organizing imports, adding comments and a bit more refactoring
* ✔️ Fixing tests
* 🔨 Moving mixins to `src`

packages/editor-ui/src/components/TimeAgo.vue

@@ -6,7 +6,7 @@
 
 <script lang="ts">
 import { format, LocaleFunc, register } from 'timeago.js';
-import { convertToHumanReadableDate } from './helpers';
+import { convertToHumanReadableDate } from '@/utils';
 import Vue from 'vue';
 import { mapStores } from 'pinia';
 import { useRootStore } from '@/stores/n8nRootStore';