refactor: adjust font weights and sizes in ToggleButton and ExpenseList for improved UI consistency

lib/view/expense/expense_screen.dart

@@ -376,7 +376,6 @@ class _ToggleButton extends StatelessWidget {
                 label,
                 color: selected ? Colors.white : Colors.grey,
                 fontWeight: 600,
-                fontSize: 13,
               ),
             ],
           ),
@@ -433,7 +432,7 @@ class _ExpenseList extends StatelessWidget {
                   children: [
                     MyText.bodyMedium(
                       expense.expensesType.name,
-                      fontWeight: 700,
+                      fontWeight: 600,
                     ),
                     MyText.bodyMedium(
                       '₹ ${expense.amount.toStringAsFixed(2)}',
@@ -446,13 +445,12 @@ class _ExpenseList extends StatelessWidget {
                   children: [
                     MyText.bodySmall(
                       formattedDate,
-                      color: Colors.grey[600],
+                      fontWeight: 500,
                     ),
                     const Spacer(),
                     MyText.bodySmall(
                       expense.status.name,
-                      fontWeight: 600,
-                      color: Colors.black,
+                      fontWeight: 500,
                     ),
                   ],
                 ),