TF-599 Apply new ui for button composer browser

core/lib/presentation/extensions/color_extension.dart

@@ -119,6 +119,7 @@ extension AppColor on Color {
   static const colorActionButtonHover = Color(0xFFA2AAB3);
   static const colorBgMenuItemDropDownSelected = Color(0x80DEE2E7);
   static const colorButtonCancelDialog = Color(0x0D000000);
+  static const colorShadowComposerButton = Color(0x99007AFF);
 
   static const mapGradientColor = [
     [Color(0xFF21D4FD), Color(0xFFB721FF)],

core/lib/presentation/resources/image_paths.dart

@@ -117,6 +117,7 @@ class ImagePaths {
   String get icClockSB => _getImagePath('ic_clock_sb.svg');
   String get icSelectedSB => _getImagePath('ic_selected_sb.svg');
   String get icUserSB => _getImagePath('ic_user_sb.svg');
+  String get icComposeWeb => _getImagePath('ic_compose_web.svg');
 
   String _getImagePath(String imageName) {
     return AssetsPaths.images + imageName;