resolved the issue of indeterminate CircularProgressIndicator.adaptive on Darwin (#140947)

Fixes #140574

Passes the value from `CircularProgressIndicator` to the Cupertino version so that functionality is not lost on Apple devices.

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

@@ -705,7 +705,18 @@ class _CircularProgressIndicatorState extends State<CircularProgressIndicator> w
 
   Widget _buildCupertinoIndicator(BuildContext context) {
     final Color? tickColor = widget.backgroundColor;
-    return CupertinoActivityIndicator(key: widget.key, color: tickColor);
+    final double? value = widget.value;
+    if (value == null) {
+      return CupertinoActivityIndicator(
+        key: widget.key,
+        color: tickColor
+      );
+    }
+    return CupertinoActivityIndicator.partiallyRevealed(
+      key: widget.key,
+      color: tickColor,
+      progress: value
+    );
   }
 
   Widget _buildMaterialIndicator(BuildContext context, double headValue, double tailValue, double offsetValue, double rotationValue) {

packages/flutter/test/material/progress_indicator_test.dart

@@ -1084,6 +1084,34 @@ void main() {
     }),
   );
 
+  testWidgets(
+    'Adaptive CircularProgressIndicator displays CupertinoActivityIndicator in iOS/macOS',
+    (WidgetTester tester) async {
+      await tester.pumpWidget(
+        MaterialApp(
+          theme: ThemeData(),
+          home: const Scaffold(
+            body: Material(
+              child: CircularProgressIndicator.adaptive(
+                value: 0.5,
+              ),
+            ),
+          ),
+        ),
+      );
+
+      expect(find.byType(CupertinoActivityIndicator), findsOneWidget);
+      final double actualProgress = tester.widget<CupertinoActivityIndicator>(
+        find.byType(CupertinoActivityIndicator),
+      ).progress;
+      expect(actualProgress, 0.5);
+   },
+   variant: const TargetPlatformVariant(<TargetPlatform> {
+      TargetPlatform.iOS,
+      TargetPlatform.macOS,
+    }),
+  );
+
   testWidgets(
     'Adaptive CircularProgressIndicator can use backgroundColor to change tick color for iOS',
     (WidgetTester tester) async {