4768 client - Address PR review feedback for date/time clearing

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: ivicac

client/src/pages/platform/workflow-editor/components/properties/components/property-input/PropertyInput.test.tsx

@@ -133,17 +133,17 @@ describe('PropertyInput', async () => {
     });
 
     it('uses minute precision (step=60) for time inputs so the field is easily clearable', () => {
-        const {container} = render(<PropertyInput aria-label="Time" label="Time" name="time" type="time" />);
+        render(<PropertyInput aria-label="Time" label="Time" name="time" type="time" />);
 
-        const input = container.querySelector('input[type="time"]');
+        const input = screen.getByLabelText(/time/i);
 
         expect(input).toHaveAttribute('step', '60');
     });
 
     it('keeps step=1 for non-time inputs', () => {
-        const {container} = render(<PropertyInput aria-label="Date" label="Date" name="date" type="date" />);
+        render(<PropertyInput aria-label="Date" label="Date" name="date" type="date" />);
 
-        const input = container.querySelector('input[type="date"]');
+        const input = screen.getByLabelText(/date/i);
 
         expect(input).toHaveAttribute('step', '1');
     });

client/src/pages/platform/workflow-editor/components/properties/hooks/useProperty.ts

@@ -569,10 +569,10 @@ export const useProperty = ({
 
         let resolvedValue: unknown;
 
-        if (isNumericalInput) {
-            resolvedValue = parseFloat(valueToSave as string);
-        } else if (valueToSave === '' && isDateOrTimeControlType) {
+        if (valueToSave === '' && (isNumericalInput || isDateOrTimeControlType)) {
             resolvedValue = null;
+        } else if (isNumericalInput) {
+            resolvedValue = parseFloat(valueToSave as string);
         } else {
             resolvedValue = valueToSave;
         }