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_50.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={
-b3S(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
-u=new A.YR(v,u)
+b41(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
+u=new A.YV(v,u)
 u.bf(d,w,e,w)
 y=u.a
 x=v.r
 x.toString
 y.r=x
-v.r=A.bo8(u)
+v.r=A.bol(u)
 return u},
-bmP(d,e){var y
+bn1(d,e){var y
 A:{if("timePicker.hours"===e){y="\u0a95\u0ab2\u0abe\u0a95"
 break A}if("timePicker.minutes"===e){y="\u0aae\u0abf\u0aa8\u0abf\u0a9f"
 break A}if("timePicker.seconds"===e){y="\u0ab8\u0ac7\u0a95\u0aa8\u0acd\u0aa1"
@@ -23,38 +23,38 @@ break A}if("input.selectAll"===e){y="\u0aac\u0aa7\u0ac1\u0a82 \u0aaa\u0ab8\u0a82
 break A}if("keyboardToolbar.done"===e){y="\u0aa5\u0a88 \u0a97\u0aaf\u0ac1\u0a82"
 break A}y=null
 break A}return y},
-bo8(d){return new A.aT5(d)},
-YR:function YR(d,e){var _=this
+bol(d){return new A.aTd(d)},
+YV:function YV(d,e){var _=this
 _.r=d
 _.z=_.w=$
 _.a=e
 _.e=_.b=$},
-aOb:function aOb(){},
-aT5:function aT5(d){this.a=d},
-a9S:function a9S(){}}
+aOh:function aOh(){},
+aTd:function aTd(d){this.a=d},
+a9W:function a9W(){}}
 B=c[0]
 A=a.updateHolder(c[29],A)
-A.YR.prototype={
+A.YV.prototype={
 h(d,e){var y=this.r.a4(e)
 return y==null?this.a.a4(e):y},
 gb4(){var y=this,x=y.z
 if(x===$){if(y.w===$)y.w=y
-x=y.z=new A.aOb()}return x},
+x=y.z=new A.aOh()}return x},
 gb9(){return this.r}}
-A.aOb.prototype={
+A.aOh.prototype={
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 gbg(){return"\u0a95\u0ac9\u0aaa\u0abf \u0a95\u0ab0\u0acb"},
 gbi(){return"\u0aaa\u0ac7\u0ab8\u0acd\u0a9f \u0a95\u0ab0\u0acb"},
 gbe(){return"\u0aac\u0aa7\u0ac1\u0a82 \u0aaa\u0ab8\u0a82\u0aa6 \u0a95\u0ab0\u0acb"}}
-A.a9S.prototype={}
+A.a9W.prototype={}
 var z=a.updateTypes([])
-A.aT5.prototype={
-$1(d){return A.bmP(this.a,d)},
+A.aTd.prototype={
+$1(d){return A.bn1(this.a,d)},
 $S:2};(function inheritance(){var y=a.mixin,x=a.inherit
-x(A.a9S,B.a_)
-x(A.YR,A.a9S)
-x(A.aOb,B.aZ)
-x(A.aT5,B.aR)
-y(A.a9S,B.aX)})()
-B.b3(b.typeUniverse,JSON.parse('{"YR":{"a_":[]}}'))};
-(a=>{a["npOetY5K7FU/SfiOtIZ/PyGiBn4="]=a.current})($__dart_deferred_initializers__);
+x(A.a9W,B.a_)
+x(A.YV,A.a9W)
+x(A.aOh,B.aZ)
+x(A.aTd,B.aR)
+y(A.a9W,B.aX)})()
+B.b4(b.typeUniverse,JSON.parse('{"YV":{"a_":[]}}'))};
+(a=>{a["e/57Ratr6PFdFMx247cHnUrgTCI="]=a.current})($__dart_deferred_initializers__);