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_111.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={
-b37(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
-u=new A.Zn(v,u)
-u.bd(d,w,e,w)
+b4H(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
+u=new A.ZF(v,u)
+u.bf(d,w,e,w)
 y=u.a
 x=v.r
 x.toString
 y.r=x
-v.r=A.blL(u)
+v.r=A.bnx(u)
 return u},
-bkr(d,e){var y
+bmd(d,e){var y
 A:{if("timePicker.hours"===e){y="Gi\u1edd"
 break A}if("timePicker.minutes"===e){y="Ph\xfat"
 break A}if("timePicker.seconds"===e){y="Gi\xe2y"
@@ -23,38 +23,38 @@ break A}if("input.selectAll"===e){y="Ch\u1ecdn t\u1ea5t c\u1ea3"
 break A}if("keyboardToolbar.done"===e){y="Xong"
 break A}y=null
 break A}return y},
-blL(d){return new A.aR3(d)},
-Zn:function Zn(d,e){var _=this
+bnx(d){return new A.aSt(d)},
+ZF:function ZF(d,e){var _=this
 _.r=d
 _.z=_.w=$
 _.a=e
 _.e=_.b=$},
-aNz:function aNz(){},
-aR3:function aR3(d){this.a=d},
-aad:function aad(){}}
+aOZ:function aOZ(){},
+aSt:function aSt(d){this.a=d},
+aaG:function aaG(){}}
 B=c[0]
 A=a.updateHolder(c[81],A)
-A.Zn.prototype={
+A.ZF.prototype={
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 gb4(){var y=this,x=y.z
 if(x===$){if(y.w===$)y.w=y
-x=y.z=new A.aNz()}return x},
-gb8(){return this.r}}
-A.aNz.prototype={
-gbg(){return"C\u1eaft"},
-gbf(){return"Sao ch\xe9p"},
-gbh(){return"D\xe1n"},
-gbc(){return"Ch\u1ecdn t\u1ea5t c\u1ea3"}}
-A.aad.prototype={}
+x=y.z=new A.aOZ()}return x},
+gb9(){return this.r}}
+A.aOZ.prototype={
+gbh(){return"C\u1eaft"},
+gbg(){return"Sao ch\xe9p"},
+gbi(){return"D\xe1n"},
+gbe(){return"Ch\u1ecdn t\u1ea5t c\u1ea3"}}
+A.aaG.prototype={}
 var z=a.updateTypes([])
-A.aR3.prototype={
-$1(d){return A.bkr(this.a,d)},
+A.aSt.prototype={
+$1(d){return A.bmd(this.a,d)},
 $S:2};(function inheritance(){var y=a.mixin,x=a.inherit
-x(A.aad,B.a_)
-x(A.Zn,A.aad)
-x(A.aNz,B.aZ)
-x(A.aR3,B.aQ)
-y(A.aad,B.aW)})()
-B.b3(b.typeUniverse,JSON.parse('{"Zn":{"a_":[]}}'))};
-(a=>{a["HoU2urL8SCypY/gxAtHxJijTNzI="]=a.current})($__dart_deferred_initializers__);
+x(A.aaG,B.a_)
+x(A.ZF,A.aaG)
+x(A.aOZ,B.aZ)
+x(A.aSt,B.aR)
+y(A.aaG,B.aX)})()
+B.b3(b.typeUniverse,JSON.parse('{"ZF":{"a_":[]}}'))};
+(a=>{a["AGeyDquUf/+GS2FoQhQ7i/BSJ+4="]=a.current})($__dart_deferred_initializers__);