regression: Opening the dial pad crashes the GUI (#29670)

apps/meteor/client/hooks/useDialModal.tsx

@@ -31,7 +31,9 @@ export const useDialModal = (): DialModalControls => {
 			}
 
 			setModal(
-				<Suspense fallback={null}>
+				// TODO: Revisit Modal's FocusScope which currently does not accept null as children.
+				// Added dummy div fallback for that reason.
+				<Suspense fallback={<div />}>
 					<DialPadModal initialValue={initialValue} errorMessage={errorMessage} handleClose={closeDialModal} />
 				</Suspense>,
 			);

apps/meteor/ee/client/voip/modal/DialPad/hooks/useDialPad.tsx

@@ -45,7 +45,7 @@ export const useDialPad = ({ initialValue, initialErrorMessage }: DialPadProps):
 
 	const { ref, onChange } = register('PhoneInput');
 
-	const value = watch('PhoneInput');
+	const value = watch('PhoneInput', '');
 
 	const [disabled, setDisabled] = useState(true);