refactor: separate elements logic into a standalone package (#9285)

packages/excalidraw/components/Sidebar/Sidebar.test.tsx

@@ -1,7 +1,8 @@
 import React from "react";
 import { vi } from "vitest";
 
-import { DEFAULT_SIDEBAR } from "../../constants";
+import { DEFAULT_SIDEBAR } from "@excalidraw/common";
+
 import { Excalidraw, Sidebar } from "../../index";
 import {
   act,

packages/excalidraw/components/Sidebar/Sidebar.tsx

@@ -9,12 +9,11 @@ import React, {
   useCallback,
 } from "react";
 
-import { EVENT } from "../../constants";
+import { EVENT, isDevEnv, KEYS, updateObject } from "@excalidraw/common";
+
 import { useUIAppState } from "../../context/ui-appState";
 import { atom, useSetAtom } from "../../editor-jotai";
 import { useOutsideClick } from "../../hooks/useOutsideClick";
-import { KEYS } from "../../keys";
-import { isDevEnv, updateObject } from "../../utils";
 import { useDevice, useExcalidrawSetAppState } from "../App";
 import { Island } from "../Island";