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_73.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={
-b47(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
-u=new A.Z6(v,u)
+b4h(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
+u=new A.Za(v,u)
 u.bf(d,w,e,w)
 y=u.a
 x=v.r
 x.toString
 y.r=x
-v.r=A.bnR(u)
+v.r=A.bo3(u)
 return u},
-bmx(d,e){var y
+bmK(d,e){var y
 A:{if("timePicker.hours"===e){y="\u0e8a\u0ebb\u0ec8\u0ea7\u0ec2\u0ea1\u0e87"
 break A}if("timePicker.minutes"===e){y="\u0e99\u0eb2\u0e97\u0eb5"
 break A}if("timePicker.seconds"===e){y="\u0ea7\u0eb4\u0e99\u0eb2\u0e97\u0eb5"
@@ -23,38 +23,38 @@ break A}if("input.selectAll"===e){y="\u0ec0\u0ea5\u0eb7\u0ead\u0e81\u0e97\u0eb1\
 break A}if("keyboardToolbar.done"===e){y="\u0eaa\u0eb3\u0ec0\u0ea5\u0eb1\u0e94"
 break A}y=null
 break A}return y},
-bnR(d){return new A.aSO(d)},
-Z6:function Z6(d,e){var _=this
+bo3(d){return new A.aSW(d)},
+Za:function Za(d,e){var _=this
 _.r=d
 _.z=_.w=$
 _.a=e
 _.e=_.b=$},
-aOr:function aOr(){},
-aSO:function aSO(d){this.a=d},
-aa7:function aa7(){}}
+aOx:function aOx(){},
+aSW:function aSW(d){this.a=d},
+aab:function aab(){}}
 B=c[0]
 A=a.updateHolder(c[45],A)
-A.Z6.prototype={
+A.Za.prototype={
 h(d,e){var y=this.r.a4(e)
 return y==null?this.a.a4(e):y},
 gb4(){var y=this,x=y.z
 if(x===$){if(y.w===$)y.w=y
-x=y.z=new A.aOr()}return x},
+x=y.z=new A.aOx()}return x},
 gb9(){return this.r}}
-A.aOr.prototype={
+A.aOx.prototype={
 gbh(){return"\u0e95\u0eb1\u0e94"},
 gbg(){return"\u0e84\u0eb1\u0e94\u0ea5\u0ead\u0e81"},
 gbi(){return"\u0ea7\u0eb2\u0e87"},
 gbe(){return"\u0ec0\u0ea5\u0eb7\u0ead\u0e81\u0e97\u0eb1\u0e87\u0edd\u0ebb\u0e94"}}
-A.aa7.prototype={}
+A.aab.prototype={}
 var z=a.updateTypes([])
-A.aSO.prototype={
-$1(d){return A.bmx(this.a,d)},
+A.aSW.prototype={
+$1(d){return A.bmK(this.a,d)},
 $S:2};(function inheritance(){var y=a.mixin,x=a.inherit
-x(A.aa7,B.a_)
-x(A.Z6,A.aa7)
-x(A.aOr,B.aZ)
-x(A.aSO,B.aR)
-y(A.aa7,B.aX)})()
-B.b3(b.typeUniverse,JSON.parse('{"Z6":{"a_":[]}}'))};
-(a=>{a["ype0vwzusQTbcIPpG6f/e3rbOoM="]=a.current})($__dart_deferred_initializers__);
+x(A.aab,B.a_)
+x(A.Za,A.aab)
+x(A.aOx,B.aZ)
+x(A.aSW,B.aR)
+y(A.aab,B.aX)})()
+B.b4(b.typeUniverse,JSON.parse('{"Za":{"a_":[]}}'))};
+(a=>{a["9ETpf3eToKkAYEt45Xbl3gTLcbg="]=a.current})($__dart_deferred_initializers__);