Added My Schedule tab in attendance screen

Allow 1 Day, Whole Week and Date Range swapping

lib/models/pass_slip.dart

@@ -12,6 +12,7 @@ class PassSlip {
     this.approvedAt,
     this.slipStart,
     this.slipEnd,
+    this.requestedStart,
   });
 
   final String id;
@@ -24,6 +25,7 @@ class PassSlip {
   final DateTime? approvedAt;
   final DateTime? slipStart;
   final DateTime? slipEnd;
+  final DateTime? requestedStart;
 
   /// Whether the slip is active (approved but not yet completed).
   bool get isActive => status == 'approved' && slipEnd == null;
@@ -52,6 +54,9 @@ class PassSlip {
       slipEnd: map['slip_end'] == null
           ? null
           : AppTime.parse(map['slip_end'] as String),
+      requestedStart: map['requested_start'] == null
+          ? null
+          : AppTime.parse(map['requested_start'] as String),
     );
   }
 }