Fix error about missing MediaQuery (#124243)

packages/flutter/lib/src/widgets/debug.dart

@@ -301,10 +301,9 @@ bool debugCheckHasMediaQuery(BuildContext context) {
         context.describeOwnershipChain('The ownership chain for the affected widget is'),
         ErrorHint(
           'No MediaQuery ancestor could be found starting from the context '
-          'that was passed to MediaQuery.of(). This can happen because you '
-          'have not added a WidgetsApp, CupertinoApp, or MaterialApp widget '
-          '(those widgets introduce a MediaQuery), or it can happen if the '
-          'context you use comes from a widget above those widgets.',
+          'that was passed to MediaQuery.of(). This can happen because the '
+          'context used is not a descendant of a View widget, which introduces '
+          'a MediaQuery.'
         ),
       ]);
     }

packages/flutter/test/widgets/debug_test.dart

@@ -116,10 +116,9 @@ void main() {
               error.diagnostics.last.toStringDeep(),
               equalsIgnoringHashCodes(
                 'No MediaQuery ancestor could be found starting from the context\n'
-                'that was passed to MediaQuery.of(). This can happen because you\n'
-                'have not added a WidgetsApp, CupertinoApp, or MaterialApp widget\n'
-                '(those widgets introduce a MediaQuery), or it can happen if the\n'
-                'context you use comes from a widget above those widgets.\n',
+                'that was passed to MediaQuery.of(). This can happen because the\n'
+                'context used is not a descendant of a View widget, which\n'
+                'introduces a MediaQuery.\n'
               ),
             );
             expect(
@@ -139,10 +138,9 @@ void main() {
               endsWith(
                 '[root]"\n' // End of ownership chain.
                 '   No MediaQuery ancestor could be found starting from the context\n'
-                '   that was passed to MediaQuery.of(). This can happen because you\n'
-                '   have not added a WidgetsApp, CupertinoApp, or MaterialApp widget\n'
-                '   (those widgets introduce a MediaQuery), or it can happen if the\n'
-                '   context you use comes from a widget above those widgets.\n',
+                '   that was passed to MediaQuery.of(). This can happen because the\n'
+                '   context used is not a descendant of a View widget, which\n'
+                '   introduces a MediaQuery.\n'
               ),
             );
           }

packages/flutter/test/widgets/media_query_test.dart

@@ -81,10 +81,9 @@ void main() {
       endsWith(
         '[root]"\n' // End of ownership chain.
         '   No MediaQuery ancestor could be found starting from the context\n'
-        '   that was passed to MediaQuery.of(). This can happen because you\n'
-        '   have not added a WidgetsApp, CupertinoApp, or MaterialApp widget\n'
-        '   (those widgets introduce a MediaQuery), or it can happen if the\n'
-        '   context you use comes from a widget above those widgets.\n',
+        '   that was passed to MediaQuery.of(). This can happen because the\n'
+        '   context used is not a descendant of a View widget, which\n'
+        '   introduces a MediaQuery.\n'
       ),
     );
   });