Fix bug of blue rectangle (#340)

* Fix bug of blue rectangle

* camera: Remove extra dot

Author: DigitalSeneca

Diff for: lib/pages/forms_pages/components/biting_form.dart

@@ -276,7 +276,7 @@ class _BitingFormState extends State<BitingForm> {
                                     }
                                   : null,
                               child: Container(
-                                color: Colors.blue..withValues(alpha: 0.0),
+                                color: Colors.transparent,
                                 height: mediaQuery.height * 0.1,
                                 width: mediaQuery.width * 0.18,
                               ),

Diff for: lib/pages/forms_pages/components/whatsapp_camera.dart/camera_whatsapp.dart

@@ -237,7 +237,7 @@ class _WhatsappCameraState extends State<WhatsappCamera>
               padding: const EdgeInsets.only(bottom: 32, right: 64),
               child: CircleAvatar(
                 radius: 20,
-                backgroundColor: Colors.black..withValues(alpha: 0.6),
+                backgroundColor: Colors.black.withValues(alpha: 0.6),
                 child: IconButton(
                   color: Colors.white,
                   onPressed: () async {