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_11.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={
-b1Y(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
-u=new A.Yd(v,u)
-u.bd(d,w,e,w)
+b3x(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
+u=new A.Yv(v,u)
+u.bf(d,w,e,w)
 y=u.a
 x=v.r
 x.toString
 y.r=x
-v.r=A.bmJ(u)
+v.r=A.bov(u)
 return u},
-blp(d,e){var y
+bnb(d,e){var y
 A:{if("timePicker.hours"===e){y="\u0413\u0430\u0434\u0437\u0456\u043d\u044b"
 break A}if("timePicker.minutes"===e){y="\u0425\u0432\u0456\u043b\u0456\u043d\u044b"
 break A}if("timePicker.seconds"===e){y="\u0421\u0435\u043a\u0443\u043d\u0434\u044b"
@@ -23,38 +23,38 @@ break A}if("input.selectAll"===e){y="\u0412\u044b\u043b\u0443\u0447\u044b\u0446\
 break A}if("keyboardToolbar.done"===e){y="\u0413\u0430\u0442\u043e\u0432\u0430"
 break A}y=null
 break A}return y},
-bmJ(d){return new A.aS1(d)},
-Yd:function Yd(d,e){var _=this
+bov(d){return new A.aTr(d)},
+Yv:function Yv(d,e){var _=this
 _.r=d
 _.z=_.w=$
 _.a=e
 _.e=_.b=$},
-aMp:function aMp(){},
-aS1:function aS1(d){this.a=d},
-a93:function a93(){}}
+aNP:function aNP(){},
+aTr:function aTr(d){this.a=d},
+a9w:function a9w(){}}
 B=c[0]
 A=a.updateHolder(c[8],A)
-A.Yd.prototype={
+A.Yv.prototype={
 h(d,e){var y=this.r.a4(e)
 return y==null?this.a.a4(e):y},
 gb4(){var y=this,x=y.z
 if(x===$){if(y.w===$)y.w=y
-x=y.z=new A.aMp()}return x},
-gb8(){return this.r}}
-A.aMp.prototype={
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-gbf(){return"\u041a\u0430\u043f\u0456\u044f\u0432\u0430\u0446\u044c"},
-gbh(){return"\u0423\u0441\u0442\u0430\u0432\u0456\u0446\u044c"},
-gbc(){return"\u0412\u044b\u043b\u0443\u0447\u044b\u0446\u044c \u0443\u0441\u0451"}}
-A.a93.prototype={}
+x=y.z=new A.aNP()}return x},
+gb9(){return this.r}}
+A.aNP.prototype={
+gbh(){return"\u0412\u044b\u0440\u0430\u0437\u0430\u0446\u044c"},
+gbg(){return"\u041a\u0430\u043f\u0456\u044f\u0432\u0430\u0446\u044c"},
+gbi(){return"\u0423\u0441\u0442\u0430\u0432\u0456\u0446\u044c"},
+gbe(){return"\u0412\u044b\u043b\u0443\u0447\u044b\u0446\u044c \u0443\u0441\u0451"}}
+A.a9w.prototype={}
 var z=a.updateTypes([])
-A.aS1.prototype={
-$1(d){return A.blp(this.a,d)},
+A.aTr.prototype={
+$1(d){return A.bnb(this.a,d)},
 $S:2};(function inheritance(){var y=a.mixin,x=a.inherit
-x(A.a93,B.a_)
-x(A.Yd,A.a93)
-x(A.aMp,B.aZ)
-x(A.aS1,B.aQ)
-y(A.a93,B.aW)})()
-B.b3(b.typeUniverse,JSON.parse('{"Yd":{"a_":[]}}'))};
-(a=>{a["xN5B16ACA1m6hP0LeRjiXacvq84="]=a.current})($__dart_deferred_initializers__);
+x(A.a9w,B.a_)
+x(A.Yv,A.a9w)
+x(A.aNP,B.aZ)
+x(A.aTr,B.aR)
+y(A.a9w,B.aX)})()
+B.b3(b.typeUniverse,JSON.parse('{"Yv":{"a_":[]}}'))};
+(a=>{a["hYIU/6e0+DkMF/hIzR0ceYfObbQ="]=a.current})($__dart_deferred_initializers__);