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_36.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={
-b3H(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
-u=new A.YG(v,u)
+b3R(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
+u=new A.YK(v,u)
 u.bf(d,w,e,w)
 y=u.a
 x=v.r
 x.toString
 y.r=x
-v.r=A.bok(u)
+v.r=A.box(u)
 return u},
-bn0(d,e){var y
+bnd(d,e){var y
 A:{if("timePicker.hours"===e){y="\u038f\u03c1\u03b5\u03c2"
 break A}if("timePicker.minutes"===e){y="\u039b\u03b5\u03c0\u03c4\u03ac"
 break A}if("timePicker.seconds"===e){y="\u0394\u03b5\u03c5\u03c4\u03b5\u03c1\u03cc\u03bb\u03b5\u03c0\u03c4\u03b1"
@@ -23,38 +23,38 @@ break A}if("input.selectAll"===e){y="\u0395\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae
 break A}if("keyboardToolbar.done"===e){y="\u03a4\u03ad\u03bb\u03bf\u03c2"
 break A}y=null
 break A}return y},
-bok(d){return new A.aTh(d)},
-YG:function YG(d,e){var _=this
+box(d){return new A.aTp(d)},
+YK:function YK(d,e){var _=this
 _.r=d
 _.z=_.w=$
 _.a=e
 _.e=_.b=$},
-aO0:function aO0(){},
-aTh:function aTh(d){this.a=d},
-a9H:function a9H(){}}
+aO6:function aO6(){},
+aTp:function aTp(d){this.a=d},
+a9L:function a9L(){}}
 B=c[0]
 A=a.updateHolder(c[18],A)
-A.YG.prototype={
+A.YK.prototype={
 h(d,e){var y=this.r.a4(e)
 return y==null?this.a.a4(e):y},
 gb4(){var y=this,x=y.z
 if(x===$){if(y.w===$)y.w=y
-x=y.z=new A.aO0()}return x},
+x=y.z=new A.aO6()}return x},
 gb9(){return this.r}}
-A.aO0.prototype={
+A.aO6.prototype={
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 gbg(){return"\u0391\u03bd\u03c4\u03b9\u03b3\u03c1\u03b1\u03c6\u03ae"},
 gbi(){return"\u0395\u03c0\u03b9\u03ba\u03cc\u03bb\u03bb\u03b7\u03c3\u03b7"},
 gbe(){return"\u0395\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03cc\u03bb\u03c9\u03bd"}}
-A.a9H.prototype={}
+A.a9L.prototype={}
 var z=a.updateTypes([])
-A.aTh.prototype={
-$1(d){return A.bn0(this.a,d)},
+A.aTp.prototype={
+$1(d){return A.bnd(this.a,d)},
 $S:2};(function inheritance(){var y=a.mixin,x=a.inherit
-x(A.a9H,B.a_)
-x(A.YG,A.a9H)
-x(A.aO0,B.aZ)
-x(A.aTh,B.aR)
-y(A.a9H,B.aX)})()
-B.b3(b.typeUniverse,JSON.parse('{"YG":{"a_":[]}}'))};
-(a=>{a["sNzSH27bqsusukTcStZcVaNvK1M="]=a.current})($__dart_deferred_initializers__);
+x(A.a9L,B.a_)
+x(A.YK,A.a9L)
+x(A.aO6,B.aZ)
+x(A.aTp,B.aR)
+y(A.a9L,B.aX)})()
+B.b4(b.typeUniverse,JSON.parse('{"YK":{"a_":[]}}'))};
+(a=>{a["X6VSwrsK33egCvXSEbDV8oj/es0="]=a.current})($__dart_deferred_initializers__);