TF-3758 Update text style for folder item

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

core/lib/presentation/extensions/color_extension.dart

@@ -254,6 +254,8 @@ extension AppColor on Color {
   static const blackAlpha40 = Color.fromRGBO(0, 0, 0, 0.4);
   static const blackAlpha20 = Color.fromRGBO(0, 0, 0, 0.2);
   static const textPrimary = Color(0xFF424244);
+  static const iconFolder = Color(0xFF297EF2);
+  static const folderDivider = Color(0xFFE4E8EC);
 
   static const mapGradientColor = [
     [Color(0xFF21D4FD), Color(0xFFB721FF)],

core/lib/presentation/utils/theme_utils.dart

@@ -222,7 +222,25 @@ class ThemeUtils {
     letterSpacing: 0.0,
     fontSize: fontSize ?? 15,
     height: 20 / (fontSize ?? 15),
-    color: color,
+    color: color ?? Colors.black,
+  );
+
+  static TextStyle textStyleInter500() => const TextStyle(
+    fontFamily: ConstantsUI.fontApp,
+    fontWeight: FontWeight.w500,
+    letterSpacing: 0.0,
+    fontSize: 14,
+    height: 18 / 14,
+    color: Colors.black,
+  );
+
+  static TextStyle textStyleInter400() => const TextStyle(
+    fontFamily: ConstantsUI.fontApp,
+    fontWeight: FontWeight.normal,
+    letterSpacing: 0.01,
+    fontSize: 13,
+    height: 16 / 13,
+    color: Colors.black,
   );
 
   static TextStyle textStyleM3LabelLarge({Color? color}) => TextStyle(