refactor: move excalidraw-app outside src (#6987)

* refactor: move excalidraw-app outside src

* move some tests to excal app and fix some

* fix tests

* fix

* port remaining tests

* fix

* update snap

* move tests inside test folder

* fix

* fix

src/tests/scroll.test.tsx

@@ -8,7 +8,6 @@ import { Excalidraw } from "../packages/excalidraw/index";
 import { API } from "./helpers/api";
 import { Keyboard } from "./helpers/ui";
 import { KEYS } from "../keys";
-import ExcalidrawApp from "../excalidraw-app";
 
 const { h } = window;
 
@@ -56,7 +55,7 @@ describe("appState", () => {
 
   it("moving by page up/down/left/right", async () => {
     mockBoundingClientRect();
-    await render(<ExcalidrawApp />, {});
+    await render(<Excalidraw handleKeyboardGlobally={true} />, {});
 
     const scrollTest = () => {
       const initialScrollY = h.state.scrollY;