feat(navigation-button): fix icon size and customization label in demo app

Author: nouha06

app/lib/ui/components/button/button_customization_utils.dart

@@ -10,7 +10,7 @@
 // Software description: Flutter library of reusable graphical components
 //
 
-import 'package:flutter/cupertino.dart';
+import 'package:flutter/material.dart';
 import 'package:ouds_core/components/button/ouds_button.dart';
 import 'package:ouds_flutter_demo/l10n/app_localizations.dart';
 import 'package:ouds_flutter_demo/ui/components/button/button_customization.dart';
@@ -120,7 +120,7 @@ class ButtonCustomizationUtils {
     BuildContext context,
     ButtonCustomizationState? customizationState,
   ) {
-    if (customizationState!.navigationTextValue.isEmpty) {
+    if (customizationState!.textValue.isEmpty) {
       if (customizationState.selectedChevron ==
           NavigationButtonLayoutEnum.next) {
         return context

app/lib/ui/components/button/navigation_button_code_generator.dart

@@ -52,8 +52,8 @@ class NavigationButtonCodeGenerator {
           customizationState.selectedNavigationAppearance,
         );
 
-    final String? label = customizationState.navigationTextValue.isNotEmpty
-        ? customizationState.navigationTextValue
+    final String? label = customizationState.textValue.isNotEmpty
+        ? customizationState.textValue
         : null;
 
     final String layoutStr = layout.toString();

app/lib/ui/components/button/navigation_button_demo_screen.dart

@@ -145,8 +145,8 @@ class _NavigationButtonDemoState extends State<_NavigationButtonDemo> {
       return ComponentDemoBox(
         colored: customizationState?.hasOnColoredBox == true,
         child: OudsNavigationButton(
-          label: customizationState!.navigationTextValue.isNotEmpty
-              ? customizationState!.navigationTextValue
+          label: customizationState!.textValue.isNotEmpty
+              ? customizationState!.textValue
               : null,
           layout: ButtonCustomizationUtils.getNavigationLayout(
             customizationState!.selectedChevron,
@@ -167,8 +167,8 @@ class _NavigationButtonDemoState extends State<_NavigationButtonDemo> {
     } else {
       return LightDarkBox(
         child: OudsNavigationButton(
-          label: customizationState!.navigationTextValue.isNotEmpty
-              ? customizationState!.navigationTextValue
+          label: customizationState!.textValue.isNotEmpty
+              ? customizationState!.textValue
               : null,
           layout: ButtonCustomizationUtils.getNavigationLayout(
             customizationState!.selectedChevron,
@@ -283,7 +283,7 @@ class _CustomizationContentState extends State<_CustomizationContent> {
         ),
         CustomizableTextField(
           title: context.l10n.app_components_common_label_label,
-          text: customizationState.navigationTextValue,
+          text: customizationState.textValue,
           focusNode: labelFocus,
           fieldType: FieldType.label,
         ),

app/lib/ui/utilities/customizable/customizable_textfield.dart

@@ -124,7 +124,6 @@ class CustomizableTextFieldState extends State<CustomizableTextField> {
       case FieldType.label:
         controlItemState?.labelText = value;
         buttonState?.textValue = value;
-        buttonState?.navigationTextValue = value;
         badgeState?.countText = value;
         chipState?.labelText = value;
         tagState?.labelText = value;

app/lib/ui/utilities/customizable/customizable_widget_state.dart

@@ -48,10 +48,6 @@ abstract class CustomizationWidgetState<T extends StatefulWidget>
   String get textValue => textState.value;
   set textValue(String value) => textState.value = value;
 
-  String get navigationTextValue => textState.navigationTextValue;
-  set navigationTextValue(String value) =>
-      textState.navigationTextValue = value;
-
   bool get hasSelected => selectState.value;
   set hasSelected(bool value) => selectState.value = value;
 
@@ -109,22 +105,14 @@ class TextState {
   TextState(this._setState);
 
   final void Function(void Function()) _setState;
-  String _textValue = "Button";
-  String _navigationTextValue = "Next";
+  String _textValue = "Label";
 
   String get value => _textValue;
   set value(String newValue) {
     _setState(() {
       _textValue = newValue;
     });
   }
-
-  String get navigationTextValue => _navigationTextValue;
-  set navigationTextValue(String newValue) {
-    _setState(() {
-      _navigationTextValue = newValue;
-    });
-  }
 }
 
 /// Select State Management

ouds_core/lib/components/button/internal/ouds_button_icon_modifier.dart

@@ -235,7 +235,7 @@ class OudsButtonIconModifier {
     final buttonToken = OudsTheme.of(context).componentsTokens(context).button;
     switch (layout) {
       case OudsButtonLayout.iconOnly:
-        return buttonToken.sizeIconDefault;
+        return buttonToken.sizeIconOnlyDefault;
       case OudsButtonLayout.iconAndText:
         return buttonToken.sizeIconDefault;
       case OudsButtonLayout.textOnly: