clean up localization

lib/pages/rates/cargo_editor.dart

@@ -2,6 +2,7 @@ import 'package:fcs/domain/entities/rate.dart';
 import 'package:fcs/helpers/theme.dart';
 import 'package:fcs/localization/app_translations.dart';
 import 'package:fcs/pages/main/util.dart';
+import 'package:fcs/pages/widgets/input_text.dart';
 import 'package:fcs/pages/widgets/progress.dart';
 import 'package:flutter/material.dart';
 
@@ -37,6 +38,14 @@ class _CargoEditorState extends State<CargoEditor> {
 
   @override
   Widget build(BuildContext context) {
+    final typeBox = InputText(
+        labelTextKey: 'cargo.type',
+        iconData: Icons.text_format,
+        controller: _descController);
+    final rateBox = InputText(
+        labelTextKey: 'cargo.rate',
+        iconData: Icons.attach_money,
+        controller: _rateController);
     return LocalProgress(
       inAsyncCall: _isLoading,
       child: Scaffold(
@@ -58,10 +67,8 @@ class _CargoEditorState extends State<CargoEditor> {
               Expanded(
                 child: ListView(
                   children: <Widget>[
-                    fcsInput("Cargo Type", Icons.text_format,
-                        controller: _descController),
-                    fcsInput("Rate", Icons.attach_money,
-                        controller: _rateController),
+                    typeBox,
+                    rateBox,
                     SizedBox(height: 30),
                   ],
                 ),