TF-3410 Use TextTheme apply almost text style for text widget

Signed-off-by: dab246 <tdvu@linagora.com>

lib/features/composer/presentation/widgets/subject_composer_widget.dart

@@ -1,4 +1,3 @@
-import 'package:core/presentation/extensions/color_extension.dart';
 import 'package:core/presentation/views/text/text_field_builder.dart';
 import 'package:core/utils/direction_utils.dart';
 import 'package:flutter/material.dart';
@@ -39,11 +38,7 @@ class SubjectComposerWidget extends StatelessWidget {
         children: [
           Text(
             '${AppLocalizations.of(context).subject_email}:',
-            style: Theme.of(context).textTheme.bodyMedium?.copyWith(
-              fontSize: 16,
-              fontWeight: FontWeight.w500,
-              color: AppColor.m3Tertiary,
-            ),
+            style: SubjectComposerWidgetStyle.labelTextStyle,
           ),
           const SizedBox(width:SubjectComposerWidgetStyle.space),
           Expanded(