chore: Editor refactor (#3286)

* cleanup

* add context

* EventEmitter allows removal of toolbar props from extensions

* Move to 'packages' of extensions
Remove EmojiTrigger extension

* types

* iteration

* fix render flashing

* fix: Missing nodes in collection descriptions

shared/utils/events.ts

@@ -0,0 +1,29 @@
+/**
+ * A tiny EventEmitter implementation for the browser.
+ */
+export default class EventEmitter {
+  private listeners: { [name: string]: ((data: any) => unknown)[] } = {};
+
+  public addListener(name: string, callback: (data: any) => unknown) {
+    if (!this.listeners[name]) {
+      this.listeners[name] = [];
+    }
+
+    this.listeners[name].push(callback);
+  }
+
+  public removeListener(name: string, callback: (data: any) => unknown) {
+    this.listeners[name] = this.listeners[name]?.filter(
+      (cb) => cb !== callback
+    );
+  }
+
+  public on = this.addListener;
+  public off = this.removeListener;
+
+  public emit(name: string, data?: any) {
+    this.listeners[name]?.forEach((callback) => {
+      callback(data);
+    });
+  }
+}