fix: stale labeled arrow bounds cache after editing the label (#6893)

* fix stale labeled arrow bounds cache after editing the label

* add arrow bounds test

* fix test to check the arrow version

* fix

* fix test - remove unused import

* Update src/element/textWysiwyg.test.tsx

---------

Co-authored-by: Aakansha Doshi <aakansha1216@gmail.com>

src/element/textWysiwyg.tsx

@@ -20,7 +20,7 @@ import {
   ExcalidrawTextContainer,
 } from "./types";
 import { AppState } from "../types";
-import { mutateElement } from "./mutateElement";
+import { bumpVersion, mutateElement } from "./mutateElement";
 import {
   getBoundTextElementId,
   getContainerElement,
@@ -541,6 +541,9 @@ export const textWysiwyg = ({
               id: element.id,
             }),
           });
+        } else if (isArrowElement(container)) {
+          // updating an arrow label may change bounds, prevent stale cache:
+          bumpVersion(container);
         }
       } else {
         mutateElement(container, {