fix & opt

fix: android in-app upgrade
fmt: proj struct
opt: fetch primaryColor

lib/view/widget/dropdown_menu.dart

@@ -14,7 +14,12 @@ class DropdownBtnItem {
 
   Widget build(S s) => Row(
         children: [
-          Icon(icon, color: primaryColor),
+          PrimaryColor(builder: (context, primaryColor) {
+            return Icon(
+              icon,
+              color: primaryColor,
+            );
+          }),
           const SizedBox(
             width: 10,
           ),

lib/view/widget/input_decoration.dart

@@ -4,11 +4,14 @@ import 'package:toolbox/data/res/color.dart';
 InputDecoration buildDecoration(String label,
     {TextStyle? textStyle, IconData? icon, String? hint}) {
   return InputDecoration(
-      labelText: label,
-      labelStyle: textStyle,
-      hintText: hint,
-      icon: Icon(
+    labelText: label,
+    labelStyle: textStyle,
+    hintText: hint,
+    icon: PrimaryColor(builder: (context, primaryColor) {
+      return Icon(
         icon,
         color: primaryColor,
-      ));
+      );
+    }),
+  );
 }

lib/view/widget/url_text.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/gestures.dart';
 import 'package:flutter/material.dart';
-import 'package:toolbox/core/utils.dart';
+
+import '../../core/utils/ui.dart';
 
 const regUrl =
     r"(https?|ftp|file)://[-A-Za-z0-9+&@#/%?=~_|!:,.;]+[-A-Za-z0-9+&@#/%=~_|]*";