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_42.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={
-b2b(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
-u=new A.Yr(v,u)
-u.bd(d,w,e,w)
+b3L(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
+u=new A.YJ(v,u)
+u.bf(d,w,e,w)
 y=u.a
 x=v.r
 x.toString
 y.r=x
-v.r=A.bmu(u)
+v.r=A.bog(u)
 return u},
-bla(d,e){var y
+bmX(d,e){var y
 A:{if("timePicker.hours"===e){y="\u0633\u0627\u0639\u062a"
 break A}if("timePicker.minutes"===e){y="\u062f\u0642\u06cc\u0642\u0647"
 break A}if("timePicker.seconds"===e){y="\u062b\u0627\u0646\u06cc\u0647"
@@ -23,38 +23,38 @@ break A}if("input.selectAll"===e){y="\u0627\u0646\u062a\u062e\u0627\u0628 \u0647
 break A}if("keyboardToolbar.done"===e){y="\u062a\u0645\u0627\u0645"
 break A}y=null
 break A}return y},
-bmu(d){return new A.aRN(d)},
-Yr:function Yr(d,e){var _=this
+bog(d){return new A.aTc(d)},
+YJ:function YJ(d,e){var _=this
 _.r=d
 _.z=_.w=$
 _.a=e
 _.e=_.b=$},
-aMD:function aMD(){},
-aRN:function aRN(d){this.a=d},
-a9h:function a9h(){}}
+aO2:function aO2(){},
+aTc:function aTc(d){this.a=d},
+a9K:function a9K(){}}
 B=c[0]
 A=a.updateHolder(c[22],A)
-A.Yr.prototype={
+A.YJ.prototype={
 h(d,e){var y=this.r.a4(e)
 return y==null?this.a.a4(e):y},
 gb4(){var y=this,x=y.z
 if(x===$){if(y.w===$)y.w=y
-x=y.z=new A.aMD()}return x},
-gb8(){return this.r}}
-A.aMD.prototype={
-gbg(){return"\u0628\u0631\u0634"},
-gbf(){return"\u06a9\u067e\u06cc"},
-gbh(){return"\u0686\u0633\u0628\u0627\u0646\u062f\u0646"},
-gbc(){return"\u0627\u0646\u062a\u062e\u0627\u0628 \u0647\u0645\u0647"}}
-A.a9h.prototype={}
+x=y.z=new A.aO2()}return x},
+gb9(){return this.r}}
+A.aO2.prototype={
+gbh(){return"\u0628\u0631\u0634"},
+gbg(){return"\u06a9\u067e\u06cc"},
+gbi(){return"\u0686\u0633\u0628\u0627\u0646\u062f\u0646"},
+gbe(){return"\u0627\u0646\u062a\u062e\u0627\u0628 \u0647\u0645\u0647"}}
+A.a9K.prototype={}
 var z=a.updateTypes([])
-A.aRN.prototype={
-$1(d){return A.bla(this.a,d)},
+A.aTc.prototype={
+$1(d){return A.bmX(this.a,d)},
 $S:2};(function inheritance(){var y=a.mixin,x=a.inherit
-x(A.a9h,B.a_)
-x(A.Yr,A.a9h)
-x(A.aMD,B.aZ)
-x(A.aRN,B.aQ)
-y(A.a9h,B.aW)})()
-B.b3(b.typeUniverse,JSON.parse('{"Yr":{"a_":[]}}'))};
-(a=>{a["x0E4Op5vfQMO1NddoVz6L6IOw3c="]=a.current})($__dart_deferred_initializers__);
+x(A.a9K,B.a_)
+x(A.YJ,A.a9K)
+x(A.aO2,B.aZ)
+x(A.aTc,B.aR)
+y(A.a9K,B.aX)})()
+B.b3(b.typeUniverse,JSON.parse('{"YJ":{"a_":[]}}'))};
+(a=>{a["86hqJyIUfwOV9aLoKM+v5G18anU="]=a.current})($__dart_deferred_initializers__);