fix: 修复复制地址提示层级问题，改用 toast 提示

- 创建统一的 ToastUtils 工具类
- 使用 BotToast.showCustomText 确保显示在所有弹窗之上
- 更新三处复制地址的代码使用新的 toast 方案
- 添加阴影效果提升视觉层次
- 支持成功/错误/警告等多种提示类型

flutter_monisuo/build/web/main.dart.js_13.part.js

@@ -1,15 +1,15 @@
 ((a,b)=>{a[b]=a[b]||{}})(self,"$__dart_deferred_initializers__")
 $__dart_deferred_initializers__.current=function(a,b,c,$){var B,A={
-b1Z(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
-u=new A.Ye(v,u)
-u.bd(d,w,e,w)
+b3y(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
+u=new A.Yw(v,u)
+u.bf(d,w,e,w)
 y=u.a
 x=v.r
 x.toString
 y.r=x
-v.r=A.bmI(u)
+v.r=A.bou(u)
 return u},
-blo(d,e){var y
+bna(d,e){var y
 A:{if("timePicker.hours"===e){y="\u0427\u0430\u0441\u043e\u0432\u0435"
 break A}if("timePicker.minutes"===e){y="\u041c\u0438\u043d\u0443\u0442\u0438"
 break A}if("timePicker.seconds"===e){y="\u0421\u0435\u043a\u0443\u043d\u0434\u0438"
@@ -23,38 +23,38 @@ break A}if("input.selectAll"===e){y="\u0418\u0437\u0431\u0435\u0440\u0438 \u0432
 break A}if("keyboardToolbar.done"===e){y="\u0413\u043e\u0442\u043e\u0432\u043e"
 break A}y=null
 break A}return y},
-bmI(d){return new A.aS0(d)},
-Ye:function Ye(d,e){var _=this
+bou(d){return new A.aTq(d)},
+Yw:function Yw(d,e){var _=this
 _.r=d
 _.z=_.w=$
 _.a=e
 _.e=_.b=$},
-aMq:function aMq(){},
-aS0:function aS0(d){this.a=d},
-a94:function a94(){}}
+aNQ:function aNQ(){},
+aTq:function aTq(d){this.a=d},
+a9x:function a9x(){}}
 B=c[0]
 A=a.updateHolder(c[9],A)
-A.Ye.prototype={
+A.Yw.prototype={
 h(d,e){var y=this.r.a4(e)
 return y==null?this.a.a4(e):y},
 gb4(){var y=this,x=y.z
 if(x===$){if(y.w===$)y.w=y
-x=y.z=new A.aMq()}return x},
-gb8(){return this.r}}
-A.aMq.prototype={
-gbg(){return"\u0418\u0437\u0440\u0435\u0436\u0438"},
-gbf(){return"\u041a\u043e\u043f\u0438\u0440\u0430\u0439"},
-gbh(){return"\u041f\u043e\u0441\u0442\u0430\u0432\u0438"},
-gbc(){return"\u0418\u0437\u0431\u0435\u0440\u0438 \u0432\u0441\u0438\u0447\u043a\u043e"}}
-A.a94.prototype={}
+x=y.z=new A.aNQ()}return x},
+gb9(){return this.r}}
+A.aNQ.prototype={
+gbh(){return"\u0418\u0437\u0440\u0435\u0436\u0438"},
+gbg(){return"\u041a\u043e\u043f\u0438\u0440\u0430\u0439"},
+gbi(){return"\u041f\u043e\u0441\u0442\u0430\u0432\u0438"},
+gbe(){return"\u0418\u0437\u0431\u0435\u0440\u0438 \u0432\u0441\u0438\u0447\u043a\u043e"}}
+A.a9x.prototype={}
 var z=a.updateTypes([])
-A.aS0.prototype={
-$1(d){return A.blo(this.a,d)},
+A.aTq.prototype={
+$1(d){return A.bna(this.a,d)},
 $S:2};(function inheritance(){var y=a.mixin,x=a.inherit
-x(A.a94,B.a_)
-x(A.Ye,A.a94)
-x(A.aMq,B.aZ)
-x(A.aS0,B.aQ)
-y(A.a94,B.aW)})()
-B.b3(b.typeUniverse,JSON.parse('{"Ye":{"a_":[]}}'))};
-(a=>{a["cdVL7glCAPDWI7Uo0pW8kH0f6d4="]=a.current})($__dart_deferred_initializers__);
+x(A.a9x,B.a_)
+x(A.Yw,A.a9x)
+x(A.aNQ,B.aZ)
+x(A.aTq,B.aR)
+y(A.a9x,B.aX)})()
+B.b3(b.typeUniverse,JSON.parse('{"Yw":{"a_":[]}}'))};
+(a=>{a["iH1Pk46gt175eNX/rbZ2ov7zN7U="]=a.current})($__dart_deferred_initializers__);