feat(bottomsheet): ios ignoreKeyboardHeight

Author: farfromrefug

src/bottomsheet/bottomsheet-common.ts

@@ -31,7 +31,8 @@ export interface BottomSheetOptions {
     ignoreBottomSafeArea?: boolean; // optional ios parameter to bottom safe area. Default is false
     disableDimBackground?: boolean; // optional parameter to remove the dim background
     skipCollapsedState?: boolean; // optional Android parameter to skip midway state when view is greater than 50%. Default is false
-    peekHeight?: number // optional Android parameter to set the collapsed sheet height.
+    peekHeight?: number; // optional Android parameter to set the collapsed sheet height.
+    ignoreKeyboardHeight: boolean; //(iOS only) A Boolean value that controls whether the height of the keyboard should affect the bottom sheet's frame when the keyboard shows on the screen. (Default: true)
 }
 
 export abstract class ViewWithBottomSheetBase extends View {

src/bottomsheet/bottomsheet.ios.ts

@@ -410,7 +410,7 @@ export class ViewWithBottomSheet extends ViewWithBottomSheetBase {
         if (peekHeight) {
             (bottomSheet.presentationController as MDCBottomSheetPresentationController).preferredSheetHeight = peekHeight;
         }
-        (bottomSheet.presentationController as MDCBottomSheetPresentationController).ignoreKeyboardHeight = true;
+        (bottomSheet.presentationController as MDCBottomSheetPresentationController).ignoreKeyboardHeight = options.ignoreKeyboardHeight !== false;
 
         if (options.trackingScrollView) {
             const scrollView = this.getViewById(options.trackingScrollView);