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_74.part.js

@@ -1,15 +1,15 @@
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-u=new A.Z7(v,u)
+b4i(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
+u=new A.Zb(v,u)
 u.bf(d,w,e,w)
 y=u.a
 x=v.r
 x.toString
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-v.r=A.bnQ(u)
+v.r=A.bo2(u)
 return u},
-bmw(d,e){var y
+bmJ(d,e){var y
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@@ -23,38 +23,38 @@ break A}if("input.selectAll"===e){y="Pasirinkti visk\u0105"
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-bnQ(d){return new A.aSN(d)},
-Z7:function Z7(d,e){var _=this
+bo2(d){return new A.aSV(d)},
+Zb:function Zb(d,e){var _=this
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-aOs:function aOs(){},
-aSN:function aSN(d){this.a=d},
-aa8:function aa8(){}}
+aOy:function aOy(){},
+aSV:function aSV(d){this.a=d},
+aac:function aac(){}}
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-A.Z7.prototype={
+A.Zb.prototype={
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-x=y.z=new A.aOs()}return x},
+x=y.z=new A.aOy()}return x},
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-A.aOs.prototype={
+A.aOy.prototype={
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 gbg(){return"Kopijuoti"},
 gbi(){return"\u012eklijuoti"},
 gbe(){return"Pasirinkti visk\u0105"}}
-A.aa8.prototype={}
+A.aac.prototype={}
 var z=a.updateTypes([])
-A.aSN.prototype={
-$1(d){return A.bmw(this.a,d)},
+A.aSV.prototype={
+$1(d){return A.bmJ(this.a,d)},
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-x(A.aa8,B.a_)
-x(A.Z7,A.aa8)
-x(A.aOs,B.aZ)
-x(A.aSN,B.aR)
-y(A.aa8,B.aX)})()
-B.b3(b.typeUniverse,JSON.parse('{"Z7":{"a_":[]}}'))};
-(a=>{a["Gqlayt6j5COGvHlQMIkuWec5iXY="]=a.current})($__dart_deferred_initializers__);
+x(A.aac,B.a_)
+x(A.Zb,A.aac)
+x(A.aOy,B.aZ)
+x(A.aSV,B.aR)
+y(A.aac,B.aX)})()
+B.b4(b.typeUniverse,JSON.parse('{"Zb":{"a_":[]}}'))};
+(a=>{a["goHZgrdn4Y5/tSzwsnL4InETzaQ="]=a.current})($__dart_deferred_initializers__);