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_73.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={
-b2y(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
-u=new A.YO(v,u)
-u.bd(d,w,e,w)
+b47(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
+u=new A.Z5(v,u)
+u.bf(d,w,e,w)
 y=u.a
 x=v.r
 x.toString
 y.r=x
-v.r=A.bm4(u)
+v.r=A.bnR(u)
 return u},
-bkL(d,e){var y
+bmx(d,e){var y
 A:{if("timePicker.hours"===e){y="\u0e8a\u0ebb\u0ec8\u0ea7\u0ec2\u0ea1\u0e87"
 break A}if("timePicker.minutes"===e){y="\u0e99\u0eb2\u0e97\u0eb5"
 break A}if("timePicker.seconds"===e){y="\u0ea7\u0eb4\u0e99\u0eb2\u0e97\u0eb5"
@@ -23,38 +23,38 @@ break A}if("input.selectAll"===e){y="\u0ec0\u0ea5\u0eb7\u0ead\u0e81\u0e97\u0eb1\
 break A}if("keyboardToolbar.done"===e){y="\u0eaa\u0eb3\u0ec0\u0ea5\u0eb1\u0e94"
 break A}y=null
 break A}return y},
-bm4(d){return new A.aRn(d)},
-YO:function YO(d,e){var _=this
+bnR(d){return new A.aSN(d)},
+Z5:function Z5(d,e){var _=this
 _.r=d
 _.z=_.w=$
 _.a=e
 _.e=_.b=$},
-aN_:function aN_(){},
-aRn:function aRn(d){this.a=d},
-a9E:function a9E(){}}
+aOp:function aOp(){},
+aSN:function aSN(d){this.a=d},
+aa6:function aa6(){}}
 B=c[0]
 A=a.updateHolder(c[45],A)
-A.YO.prototype={
+A.Z5.prototype={
 h(d,e){var y=this.r.a4(e)
 return y==null?this.a.a4(e):y},
 gb4(){var y=this,x=y.z
 if(x===$){if(y.w===$)y.w=y
-x=y.z=new A.aN_()}return x},
-gb8(){return this.r}}
-A.aN_.prototype={
-gbg(){return"\u0e95\u0eb1\u0e94"},
-gbf(){return"\u0e84\u0eb1\u0e94\u0ea5\u0ead\u0e81"},
-gbh(){return"\u0ea7\u0eb2\u0e87"},
-gbc(){return"\u0ec0\u0ea5\u0eb7\u0ead\u0e81\u0e97\u0eb1\u0e87\u0edd\u0ebb\u0e94"}}
-A.a9E.prototype={}
+x=y.z=new A.aOp()}return x},
+gb9(){return this.r}}
+A.aOp.prototype={
+gbh(){return"\u0e95\u0eb1\u0e94"},
+gbg(){return"\u0e84\u0eb1\u0e94\u0ea5\u0ead\u0e81"},
+gbi(){return"\u0ea7\u0eb2\u0e87"},
+gbe(){return"\u0ec0\u0ea5\u0eb7\u0ead\u0e81\u0e97\u0eb1\u0e87\u0edd\u0ebb\u0e94"}}
+A.aa6.prototype={}
 var z=a.updateTypes([])
-A.aRn.prototype={
-$1(d){return A.bkL(this.a,d)},
+A.aSN.prototype={
+$1(d){return A.bmx(this.a,d)},
 $S:2};(function inheritance(){var y=a.mixin,x=a.inherit
-x(A.a9E,B.a_)
-x(A.YO,A.a9E)
-x(A.aN_,B.aZ)
-x(A.aRn,B.aQ)
-y(A.a9E,B.aW)})()
-B.b3(b.typeUniverse,JSON.parse('{"YO":{"a_":[]}}'))};
-(a=>{a["cPrlwyI8gsEf/2FREwG4DrvhpUw="]=a.current})($__dart_deferred_initializers__);
+x(A.aa6,B.a_)
+x(A.Z5,A.aa6)
+x(A.aOp,B.aZ)
+x(A.aSN,B.aR)
+y(A.aa6,B.aX)})()
+B.b3(b.typeUniverse,JSON.parse('{"Z5":{"a_":[]}}'))};
+(a=>{a["BiMZ6uWPVbHMVdcq6TbTApf4hvI="]=a.current})($__dart_deferred_initializers__);