calculate coords based on container viewport position (#1955)

* feat: calculate coords based on parent left and top so it renders correctly in host App

* fix text

* move offsets to state & fix bugs

* fix text jumping

* account for zoom in textWysiwyg & undo incorrect offsetting

Co-authored-by: dwelle <luzar.david@gmail.com>

src/actions/types.ts

@@ -6,7 +6,7 @@ import { AppState } from "../types";
 export type ActionResult =
   | {
       elements?: readonly ExcalidrawElement[] | null;
-      appState?: AppState | null;
+      appState?: MarkOptional<AppState, "offsetTop" | "offsetLeft"> | null;
       commitToHistory: boolean;
       syncHistory?: boolean;
     }