feat: use component dimensions to break to mobile (#3414)

Co-authored-by: Jed Fox <git@jedfox.com>

src/components/Actions.tsx

@@ -3,7 +3,7 @@ import { ActionManager } from "../actions/manager";
 import { getNonDeletedElements } from "../element";
 import { ExcalidrawElement } from "../element/types";
 import { t } from "../i18n";
-import { useIsMobile } from "../is-mobile";
+import { useIsMobile } from "../components/App";
 import {
   canChangeSharpness,
   canHaveArrowheads,