Allow `Checkbox`es in `DataTable`s to inherit colors from `CheckboxTheme` (#96007)

packages/flutter/lib/src/material/data_table.dart

@@ -701,9 +701,6 @@ class DataTable extends StatelessWidget {
         ),
         child: Center(
           child: Checkbox(
-            // TODO(per): Remove when Checkbox has theme, https://github.com/flutter/flutter/issues/53420.
-            activeColor: themeData.colorScheme.primary,
-            checkColor: themeData.colorScheme.onPrimary,
             value: checked,
             onChanged: onCheckboxChanged,
             tristate: tristate,

packages/flutter/test/material/data_table_test.dart

@@ -1298,8 +1298,16 @@ void main() {
     );
   });
 
-  testWidgets('DataRow renders checkbox with colors from Theme', (WidgetTester tester) async {
-    final ThemeData _themeData = ThemeData.light();
+  testWidgets('DataRow renders checkbox with colors from CheckboxTheme', (WidgetTester tester) async {
+    const Color fillColor = Color(0xFF00FF00);
+    const Color checkColor = Color(0xFF0000FF);
+
+    final ThemeData _themeData = ThemeData(
+      checkboxTheme: CheckboxThemeData(
+        fillColor: MaterialStateProperty.all(fillColor),
+        checkColor: MaterialStateProperty.all(checkColor),
+      ),
+    );
     Widget buildTable() {
       return MaterialApp(
         theme: _themeData,
@@ -1312,6 +1320,7 @@ void main() {
             ],
             rows: <DataRow>[
               DataRow(
+                selected: true,
                 onSelectChanged: (bool? checked) {},
                 cells: const <DataCell>[
                   DataCell(Text('Content1')),
@@ -1323,13 +1332,15 @@ void main() {
       );
     }
 
-    Checkbox lastCheckbox() {
-      return tester.widgetList<Checkbox>(find.byType(Checkbox)).last;
-    }
-
     await tester.pumpWidget(buildTable());
-    expect(lastCheckbox().activeColor, _themeData.colorScheme.primary);
-    expect(lastCheckbox().checkColor, _themeData.colorScheme.onPrimary);
+
+    expect(
+      Material.of(tester.element(find.byType(Checkbox).last)),
+      paints
+        ..path()
+        ..path(color: fillColor)
+        ..path(color: checkColor),
+    );
   });
 
   testWidgets('DataRow renders custom colors when selected', (WidgetTester tester) async {