Updated global Modals to handle after close method

refs https://github.com/TryGhost/Product/issues/3349

- allows modals to call `afterClose` when removed in case the parent wants any action on modal close, like routing update

apps/admin-x-settings/src/admin-x-ds/global/modal/Modal.tsx

@@ -28,6 +28,7 @@ export interface ModalProps {
     noPadding?: boolean;
     onOk?: () => void;
     onCancel?: () => void;
+    afterClose?: () => void;
     children?: React.ReactNode;
     backDrop?: boolean;
     backDropClick?: boolean;
@@ -49,6 +50,7 @@ const Modal: React.FC<ModalProps> = ({
     onOk,
     okColor = 'black',
     onCancel,
+    afterClose,
     children,
     backDrop = true,
     backDropClick = true,
@@ -66,7 +68,10 @@ const Modal: React.FC<ModalProps> = ({
     let buttons: ButtonProps[] = [];
 
     const removeModal = () => {
-        confirmIfDirty(dirty, () => modal.remove());
+        confirmIfDirty(dirty, () => {
+            modal.remove();
+            afterClose?.();
+        });
     };
 
     if (!footer) {

apps/admin-x-settings/src/admin-x-ds/global/modal/PreviewModal.tsx

@@ -36,6 +36,7 @@ export interface PreviewModalProps {
 
     onCancel?: () => void;
     onOk?: () => void;
+    afterClose?: () => void;
     onSelectURL?: (url: string) => void;
     onSelectDesktopView?: () => void;
     onSelectMobileView?: () => void;
@@ -65,6 +66,7 @@ export const PreviewModalContent: React.FC<PreviewModalProps> = ({
 
     onCancel,
     onOk,
+    afterClose,
     onSelectURL,
     onSelectDesktopView,
     onSelectMobileView
@@ -155,7 +157,10 @@ export const PreviewModalContent: React.FC<PreviewModalProps> = ({
             key: 'cancel-modal',
             label: cancelLabel,
             onClick: (onCancel ? onCancel : () => {
-                confirmIfDirty(dirty, () => modal.remove());
+                confirmIfDirty(dirty, () => {
+                    modal.remove();
+                    afterClose?.();
+                });
             }),
             disabled: buttonsDisabled
         });
@@ -172,6 +177,7 @@ export const PreviewModalContent: React.FC<PreviewModalProps> = ({
 
     return (
         <Modal
+            afterClose={afterClose}
             footer={false}
             noPadding={true}
             size={size}