Fix comments

Author: martijn00

packages/flutter_adaptive_scaffold/example/test/adaptive_layout_demo_test.dart

@@ -297,7 +297,7 @@ void main() {
   );
 
   testWidgets(
-    'when view in extra large screen, navigation rail must be visible as per theme data values.',
+    'when view in extraLarge screen, navigation rail must be visible as per theme data values.',
     (WidgetTester tester) async {
       final Finder primaryNavigationExtraLarge = find.byKey(
         const Key('Primary Navigation ExtraLarge'),

packages/flutter_adaptive_scaffold/example/test/adaptive_scaffold_demo_test.dart

@@ -35,7 +35,7 @@ void main() {
 
   testWidgets('displays correct item of config based on screen width',
       (WidgetTester tester) async {
-    //Small
+    // Small
     await updateScreen(300, tester);
     await tester.pumpAndSettle();
     expect(smallBody, findsOneWidget);

packages/flutter_adaptive_scaffold/lib/src/adaptive_layout.dart

@@ -59,7 +59,7 @@ enum _SlotIds {
 ///         builder: (_) => AdaptiveScaffold.toNavigationRail(destinations: destinations),
 ///       ),
 ///       Breakpoints.mediumLarge: SlotLayout.from(
-///         key: const Key('Primary Navigation Expanded'),
+///         key: const Key('Primary Navigation MediumLarge'),
 ///         inAnimation: leftOutIn,
 ///         builder: (_) => AdaptiveScaffold.toNavigationRail(extended: true, destinations: destinations),
 ///       ),

packages/flutter_adaptive_scaffold/lib/src/adaptive_scaffold.dart

@@ -173,7 +173,7 @@ class AdaptiveScaffold extends StatefulWidget {
   /// empty.
   final WidgetBuilder? largeBody;
 
-  /// Widget to be displayed in the body slot at the extra large breakpoint.
+  /// Widget to be displayed in the body slot at the extraLarge breakpoint.
   ///
   /// If nothing is entered for this property, then the default [body] is
   /// displayed in the slot. If null is entered for this slot, the slot stays
@@ -209,7 +209,7 @@ class AdaptiveScaffold extends StatefulWidget {
   /// empty.
   final WidgetBuilder? largeSecondaryBody;
 
-  /// Widget to be displayed in the secondaryBody slot at the extra large
+  /// Widget to be displayed in the secondaryBody slot at the extraLarge
   /// breakpoint.
   ///
   /// If nothing is entered for this property, then the default [secondaryBody]
@@ -250,7 +250,7 @@ class AdaptiveScaffold extends StatefulWidget {
   /// Defaults to [Breakpoints.large].
   final Breakpoint largeBreakpoint;
 
-  /// The breakpoint defined for the extra large size, associated with ultra-wide
+  /// The breakpoint defined for the extraLarge size, associated with ultra-wide
   /// features.
   ///
   /// Defaults to [Breakpoints.extraLarge].

packages/flutter_adaptive_scaffold/lib/src/breakpoints.dart

@@ -146,8 +146,8 @@ class Breakpoint {
   /// Returns a [Breakpoint] with the given constraints for an extraLarge screen.
   const Breakpoint.extraLarge({this.andUp = false, this.platform})
       : beginWidth = 1600,
-        beginHeight = 900,
         endWidth = null,
+        beginHeight = 900,
         endHeight = null;
 
   /// A set of [TargetPlatform]s that the [Breakpoint] will be active on desktop.

packages/flutter_adaptive_scaffold/test/breakpoint_test.dart

@@ -37,7 +37,7 @@ void main() {
     expect(find.byKey(const Key('Breakpoints.largeMobile')), findsOneWidget);
     expect(find.byKey(const Key('Breakpoints.largeDesktop')), findsNothing);
 
-    // Do the same with an extra large layout on a mobile.
+    // Do the same with an extraLarge layout on a mobile.
     await tester.pumpWidget(SimulatedLayout.extraLarge.slot(tester));
     await tester.pumpAndSettle();
     expect(
@@ -61,7 +61,7 @@ void main() {
     expect(find.byKey(const Key('Breakpoints.mediumDesktop')), findsOneWidget);
     expect(find.byKey(const Key('Breakpoints.mediumMobile')), findsNothing);
 
-    // Do the same with an mediumLarge layout on a desktop
+    // Do the same with an mediumLarge layout on a desktop.
     await tester.pumpWidget(SimulatedLayout.mediumLarge.slot(tester));
     await tester.pumpAndSettle();
     expect(find.byKey(const Key('Breakpoints.mediumLargeDesktop')),