feat: Add idle detection to collaboration feature (#2877)

* Start idle detection implementation

* First working version

* Add screen state

* Add type safety

* Better rendering, enum types, localization

* Add origin trial token

* Fix

* Refactor idle detection to no longer use IdleDetector API

* Cleanup some leftovers

* Fix

* Apply suggestions from code review

* Three state: active 🟢, idle 💤, away ⚫️

* Address feedback from code review
Thanks, @lipis

* Deal with unmount

Co-authored-by: Panayiotis Lipiridis <lipiridis@gmail.com>

src/excalidraw-app/data/index.ts

@@ -4,6 +4,7 @@ import { ImportedDataState } from "../../data/types";
 import { ExcalidrawElement } from "../../element/types";
 import { t } from "../../i18n";
 import { AppState } from "../../types";
+import { UserIdleState } from "../collab/types";
 
 const byteToHex = (byte: number): string => `0${byte.toString(16)}`.slice(-2);
 
@@ -59,6 +60,14 @@ export type SocketUpdateDataSource = {
       username: string;
     };
   };
+  IDLE_STATUS: {
+    type: "IDLE_STATUS";
+    payload: {
+      socketId: string;
+      userState: UserIdleState;
+      username: string;
+    };
+  };
 };
 
 export type SocketUpdateDataIncoming =