feat: 为划转页面账户卡片添加位置互换动画

- 移除按钮旋转动画，保持按钮静止
- 两个账户卡片（从/到）平滑互换位置
- 使用 AnimatedSwitcher + FadeTransition + SlideTransition
- 动画时长 300ms，easeOut 曲线
- 上方卡片向上滑出，下方卡片向下滑入
- 视觉效果更流畅自然

flutter_monisuo/build/web/main.dart.js_52.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={
-b3U(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
-u=new A.YT(v,u)
+b43(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
+u=new A.YX(v,u)
 u.bf(d,w,e,w)
 y=u.a
 x=v.r
 x.toString
 y.r=x
-v.r=A.bo6(u)
+v.r=A.boj(u)
 return u},
-bmN(d,e){var y
+bn_(d,e){var y
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@@ -23,38 +23,38 @@ break A}if("input.selectAll"===e){y="\u0938\u092d\u0940 \u091a\u0941\u0928\u0947
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-bo6(d){return new A.aT3(d)},
-YT:function YT(d,e){var _=this
+boj(d){return new A.aTb(d)},
+YX:function YX(d,e){var _=this
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-aOd:function aOd(){},
-aT3:function aT3(d){this.a=d},
-a9U:function a9U(){}}
+aOj:function aOj(){},
+aTb:function aTb(d){this.a=d},
+a9Y:function a9Y(){}}
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-A.YT.prototype={
+A.YX.prototype={
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+A.aOj.prototype={
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 gbe(){return"\u0938\u092d\u0940 \u091a\u0941\u0928\u0947\u0902"}}
-A.a9U.prototype={}
+A.a9Y.prototype={}
 var z=a.updateTypes([])
-A.aT3.prototype={
-$1(d){return A.bmN(this.a,d)},
+A.aTb.prototype={
+$1(d){return A.bn_(this.a,d)},
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-x(A.YT,A.a9U)
-x(A.aOd,B.aZ)
-x(A.aT3,B.aR)
-y(A.a9U,B.aX)})()
-B.b3(b.typeUniverse,JSON.parse('{"YT":{"a_":[]}}'))};
-(a=>{a["ZPiNalyTjmDjlQBwCqyJwElNcDE="]=a.current})($__dart_deferred_initializers__);
+x(A.a9Y,B.a_)
+x(A.YX,A.a9Y)
+x(A.aOj,B.aZ)
+x(A.aTb,B.aR)
+y(A.a9Y,B.aX)})()
+B.b4(b.typeUniverse,JSON.parse('{"YX":{"a_":[]}}'))};
+(a=>{a["s2m/iTMj1bCzAIrj6S6sh+uqq5o="]=a.current})($__dart_deferred_initializers__);