date and time in udpate is fixed

apps/mobile/packages/features/client/view_orders/lib/src/presentation/widgets/view_order_card.dart

@@ -948,7 +948,17 @@ class _OrderEditSheetState extends State<_OrderEditSheet> {
   }
 
   Timestamp _toTimestamp(DateTime date) {
-    final int millis = date.millisecondsSinceEpoch;
+    final DateTime utc = DateTime.utc(
+      date.year,
+      date.month,
+      date.day,
+      date.hour,
+      date.minute,
+      date.second,
+      date.millisecond,
+      date.microsecond,
+    );
+    final int millis = utc.millisecondsSinceEpoch;
     final int seconds = millis ~/ 1000;
     final int nanos = (millis % 1000) * 1000000;
     return Timestamp(nanos, seconds);
@@ -1071,17 +1081,23 @@ class _OrderEditSheetState extends State<_OrderEditSheet> {
           .execute();
     }
 
+    final DateTime orderDateOnly = DateTime.utc(
+      orderDate.year,
+      orderDate.month,
+      orderDate.day,
+    );
+
     await _dataConnect
         .updateOrder(id: widget.order.orderId)
         .vendorId(_selectedVendor?.id)
         .location(location)
-        .date(_toTimestamp(orderDate))
+        .date(_toTimestamp(orderDateOnly))
         .execute();
 
     await _dataConnect
         .updateShift(id: _shiftId!)
         .title('shift 1 ${DateFormat('yyyy-MM-dd').format(orderDate)}')
-        .date(_toTimestamp(orderDate))
+        .date(_toTimestamp(orderDateOnly))
         .location(location)
         .locationAddress(location)
         .workersNeeded(totalWorkers)
@@ -1370,7 +1386,19 @@ class _OrderEditSheetState extends State<_OrderEditSheet> {
                 child: _buildInlineTimeInput(
                   label: 'Start',
                   value: pos['start_time'],
-                  onTap: () {},
+                  onTap: () async {
+                    final TimeOfDay? picked = await showTimePicker(
+                      context: context,
+                      initialTime: TimeOfDay.now(),
+                    );
+                    if (picked != null && context.mounted) {
+                      _updatePosition(
+                        index,
+                        'start_time',
+                        picked.format(context),
+                      );
+                    }
+                  },
                 ),
               ),
               const SizedBox(width: UiConstants.space2),
@@ -1378,7 +1406,19 @@ class _OrderEditSheetState extends State<_OrderEditSheet> {
                 child: _buildInlineTimeInput(
                   label: 'End',
                   value: pos['end_time'],
-                  onTap: () {},
+                  onTap: () async {
+                    final TimeOfDay? picked = await showTimePicker(
+                      context: context,
+                      initialTime: TimeOfDay.now(),
+                    );
+                    if (picked != null && context.mounted) {
+                      _updatePosition(
+                        index,
+                        'end_time',
+                        picked.format(context),
+                      );
+                    }
+                  },
                 ),
               ),
               const SizedBox(width: UiConstants.space2),