fix: svg sizes (#3238)

* refactor: svg impl

* fix: icon sizes in appearance settings

* chore: change button icon

* fix: size of restore button

* chore: fix iconbutton api

* fix: analyzer issues

frontend/appflowy_flutter/lib/workspace/presentation/settings/widgets/settings_appearance/color_scheme.dart

@@ -31,7 +31,6 @@ class ColorSchemeSetting extends StatelessWidget {
       onResetRequested: context.read<AppearanceSettingsCubit>().resetTheme,
       trailing: [
         ColorSchemeUploadOverlayButton(bloc: bloc),
-        const SizedBox(width: 4),
         ColorSchemeUploadPopover(currentTheme: currentTheme, bloc: bloc),
       ],
     );
@@ -49,6 +48,7 @@ class ColorSchemeUploadOverlayButton extends StatelessWidget {
       width: 24,
       icon: const FlowySvg(
         FlowySvgs.folder_m,
+        size: Size.square(16),
       ),
       iconColorOnHover: Theme.of(context).colorScheme.onPrimary,
       onPressed: () => Dialogs.show(

frontend/appflowy_flutter/lib/workspace/presentation/settings/widgets/settings_appearance/theme_setting_entry_template.dart

@@ -36,7 +36,7 @@ class ThemeSettingEntryTemplateWidget extends StatelessWidget {
             key: resetButtonKey,
             width: 24,
             icon: FlowySvg(
-              FlowySvgs.reload_s,
+              FlowySvgs.restore_s,
               color: Theme.of(context).iconTheme.color,
             ),
             iconColorOnHover: Theme.of(context).colorScheme.onPrimary,

frontend/appflowy_flutter/lib/workspace/presentation/settings/widgets/settings_file_customize_location_view.dart

@@ -236,9 +236,9 @@ class _RecoverDefaultStorageButtonState
     return FlowyIconButton(
       hoverColor: Theme.of(context).colorScheme.secondaryContainer,
       tooltipText: LocaleKeys.settings_files_recoverLocationTooltips.tr(),
-      icon: FlowySvg(
+      icon: const FlowySvg(
         FlowySvgs.restore_s,
-        color: Theme.of(context).iconTheme.color,
+        size: Size.square(24),
       ),
       onPressed: () async {
         // reset to the default directory and reload app

frontend/appflowy_flutter/packages/flowy_infra_ui/lib/style_widget/icon_button.dart

@@ -1,4 +1,3 @@
-import 'dart:math';
 import 'package:flowy_infra/size.dart';
 import 'package:flowy_infra_ui/style_widget/hover.dart';
 import 'package:flowy_svg/flowy_svg.dart';
@@ -48,10 +47,6 @@ class FlowyIconButton extends StatelessWidget {
     assert(size.width > iconPadding.horizontal);
     assert(size.height > iconPadding.vertical);
 
-    final childWidth = min(size.width - iconPadding.horizontal,
-        size.height - iconPadding.vertical);
-    final childSize = Size(childWidth, childWidth);
-
     return ConstrainedBox(
       constraints: BoxConstraints.tightFor(
         width: size.width,
@@ -85,7 +80,9 @@ class FlowyIconButton extends StatelessWidget {
             ),
             child: Padding(
               padding: iconPadding,
-              child: SizedBox.fromSize(size: childSize, child: child),
+              child: Center(
+                child: child,
+              ),
             ),
           ),
         ),

frontend/appflowy_flutter/packages/flowy_svg/lib/src/flowy_svg.dart

@@ -50,25 +50,17 @@ class FlowySvg extends StatelessWidget {
   Widget build(BuildContext context) {
     final iconColor = color ?? Theme.of(context).iconTheme.color;
 
-    final child = SvgPicture.asset(
+    return SvgPicture.asset(
       _normalized(),
-      colorFilter:
-          iconColor != null && blendMode != null
+      width: size?.width,
+      height: size?.height,
+      colorFilter: iconColor != null && blendMode != null
           ? ColorFilter.mode(
               iconColor,
               blendMode!,
             )
           : null,
     );
-
-    if (size != null) {
-      return SizedBox.fromSize(
-        size: size,
-        child: child,
-      );
-    }
-
-    return child;
   }
 
   /// If the SVG's path does not start with `assets/`, it is