PoC: Expose wysiwyg element to manipulate from outside (#1356)

* expose wysiwyg element to manipulate from outside

* keep focus after changing style

* update editingElement correctly

* remove mistake

* update text only

* proper check for element

* udpate snapshots

* add error log

* remove try catch handler

* remove blur event

* add proper types

* merge if condition

* simplify if condition

Co-Authored-By: Lipis <lipiridis@gmail.com>

Co-authored-by: dwelle <luzar.david@gmail.com>
Co-authored-by: Lipis <lipiridis@gmail.com>
Co-authored-by: Fausto95 <faustino.kialungila@gmail.com>

src/element/index.ts

@@ -1,4 +1,8 @@
-import { ExcalidrawElement, NonDeletedExcalidrawElement } from "./types";
+import {
+  ExcalidrawElement,
+  NonDeletedExcalidrawElement,
+  NonDeleted,
+} from "./types";
 import { isInvisiblySmallElement } from "./sizeHelpers";
 
 export {
@@ -68,3 +72,9 @@ export function getNonDeletedElements(elements: readonly ExcalidrawElement[]) {
     readonly NonDeletedExcalidrawElement[]
   );
 }
+
+export function isNonDeletedElement<T extends ExcalidrawElement>(
+  element: T,
+): element is NonDeleted<T> {
+  return !element.isDeleted;
+}