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_103.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={
-b3_(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
-u=new A.Zf(v,u)
-u.bd(d,w,e,w)
+b4z(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
+u=new A.Zx(v,u)
+u.bf(d,w,e,w)
 y=u.a
 x=v.r
 x.toString
 y.r=x
-v.r=A.blB(u)
+v.r=A.bnn(u)
 return u},
-bkh(d,e){var y
+bm3(d,e){var y
 A:{if("timePicker.hours"===e){y="\u0c17\u0c02\u0c1f\u0c32\u0c41"
 break A}if("timePicker.minutes"===e){y="\u0c28\u0c3f\u0c2e\u0c3f\u0c37\u0c3e\u0c32\u0c41"
 break A}if("timePicker.seconds"===e){y="\u0c38\u0c46\u0c15\u0c28\u0c4d\u0c32\u0c41"
@@ -23,38 +23,38 @@ break A}if("input.selectAll"===e){y="\u0c05\u0c28\u0c4d\u0c28\u0c40 \u0c0e\u0c02
 break A}if("keyboardToolbar.done"===e){y="\u0c2a\u0c42\u0c30\u0c4d\u0c24\u0c2f\u0c3f\u0c02\u0c26\u0c3f"
 break A}y=null
 break A}return y},
-blB(d){return new A.aQU(d)},
-Zf:function Zf(d,e){var _=this
+bnn(d){return new A.aSj(d)},
+Zx:function Zx(d,e){var _=this
 _.r=d
 _.z=_.w=$
 _.a=e
 _.e=_.b=$},
-aNr:function aNr(){},
-aQU:function aQU(d){this.a=d},
-aa5:function aa5(){}}
+aOR:function aOR(){},
+aSj:function aSj(d){this.a=d},
+aay:function aay(){}}
 B=c[0]
 A=a.updateHolder(c[73],A)
-A.Zf.prototype={
+A.Zx.prototype={
 h(d,e){var y=this.r.a4(e)
 return y==null?this.a.a4(e):y},
 gb4(){var y=this,x=y.z
 if(x===$){if(y.w===$)y.w=y
-x=y.z=new A.aNr()}return x},
-gb8(){return this.r}}
-A.aNr.prototype={
-gbg(){return"\u0c15\u0c24\u0c4d\u0c24\u0c3f\u0c30\u0c3f\u0c02\u0c1a\u0c41"},
-gbf(){return"\u0c15\u0c3e\u0c2a\u0c40 \u0c1a\u0c47\u0c2f\u0c3f"},
-gbh(){return"\u0c05\u0c24\u0c3f\u0c15\u0c3f\u0c02\u0c1a\u0c41"},
-gbc(){return"\u0c05\u0c28\u0c4d\u0c28\u0c40 \u0c0e\u0c02\u0c1a\u0c41\u0c15\u0c4b"}}
-A.aa5.prototype={}
+x=y.z=new A.aOR()}return x},
+gb9(){return this.r}}
+A.aOR.prototype={
+gbh(){return"\u0c15\u0c24\u0c4d\u0c24\u0c3f\u0c30\u0c3f\u0c02\u0c1a\u0c41"},
+gbg(){return"\u0c15\u0c3e\u0c2a\u0c40 \u0c1a\u0c47\u0c2f\u0c3f"},
+gbi(){return"\u0c05\u0c24\u0c3f\u0c15\u0c3f\u0c02\u0c1a\u0c41"},
+gbe(){return"\u0c05\u0c28\u0c4d\u0c28\u0c40 \u0c0e\u0c02\u0c1a\u0c41\u0c15\u0c4b"}}
+A.aay.prototype={}
 var z=a.updateTypes([])
-A.aQU.prototype={
-$1(d){return A.bkh(this.a,d)},
+A.aSj.prototype={
+$1(d){return A.bm3(this.a,d)},
 $S:2};(function inheritance(){var y=a.mixin,x=a.inherit
-x(A.aa5,B.a_)
-x(A.Zf,A.aa5)
-x(A.aNr,B.aZ)
-x(A.aQU,B.aQ)
-y(A.aa5,B.aW)})()
-B.b3(b.typeUniverse,JSON.parse('{"Zf":{"a_":[]}}'))};
-(a=>{a["D/kQ2SMOS2efEX1bjzTNbJNzkuQ="]=a.current})($__dart_deferred_initializers__);
+x(A.aay,B.a_)
+x(A.Zx,A.aay)
+x(A.aOR,B.aZ)
+x(A.aSj,B.aR)
+y(A.aay,B.aX)})()
+B.b3(b.typeUniverse,JSON.parse('{"Zx":{"a_":[]}}'))};
+(a=>{a["6FnCyFuvprzb+O75mvdcdGYypJA="]=a.current})($__dart_deferred_initializers__);