fix(ios): ensure _bottomSheetClosed is called as soon as possible

Author: farfromrefug

src/bottomsheet/bottomsheet-common.ts

@@ -135,6 +135,7 @@ export abstract class ViewWithBottomSheetBase extends View {
                 this._bottomSheetContext.closeCallback = null;
             }
             const whenClosedCallback = () => {
+                this._bottomSheetClosed();
                 if (typeof options.closeCallback === 'function') {
                     options.closeCallback.apply(undefined, originalArgs);
                 }

src/bottomsheet/bottomsheet.ios.ts

@@ -465,7 +465,7 @@ export class ViewWithBottomSheet extends ViewWithBottomSheetBase {
     }
 
     _bottomSheetClosed() {
-        // super already closed we are just a mixin
+        // super already called we are just a mixin
 
         if (this.bottomSheetController) {
             this.bottomSheetController.delegate = null;