chore: fix various typos (#4857)

Found via `codespell -q 3 -S ./src/locales,./yarn.lock,./src/packages/excalidraw/yarn.lock -L afterall,doubleclick,originaly,reenable,whats,sur`

src/element/linearElementEditor.ts

@@ -401,7 +401,7 @@ export class LinearElementEditor {
       ret.hitElement = element;
     } else {
       // You might be wandering why we are storing the binding elements on
-      // LinearElementEditor and passing them in, insted of calculating them
+      // LinearElementEditor and passing them in, instead of calculating them
       // from the end points of the `linearElement` - this is to allow disabling
       // binding (which needs to happen at the point the user finishes moving
       // the point).