feat: add some improvements to CharacterCount extension (#2256), fix #1049, fix #1550, fix #1839, fix #2245

* fix a bug when exceeding the character limit

* find a better way to limit the doc size

* check paste events

* add storage method

* refactoring

* use textBetween instead of textContent

* return early if no limit is set

* add words method to storage

* show word count in charactercount demo

Co-authored-by: Philipp Kühn <philippkuehn@MacBook-Pro-von-Philipp.local>

packages/core/src/Editor.ts

@@ -449,8 +449,12 @@ export class Editor extends EventEmitter<EditorEvents> {
 
   /**
    * Get the number of characters for the current document.
+   *
+   * @deprecated
    */
   public getCharacterCount(): number {
+    console.warn('[tiptap warn]: "editor.getCharacterCount()" is deprecated. Please use "editor.storage.characterCount.characters()" instead.')
+
     return this.state.doc.content.size - 2
   }