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_7.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={
-b3v(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
-u=new A.Yu(v,u)
+b3F(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
+u=new A.Yy(v,u)
 u.bf(d,w,e,w)
 y=u.a
 x=v.r
 x.toString
 y.r=x
-v.r=A.box(u)
+v.r=A.boK(u)
 return u},
-bnd(d,e){var y
+bnq(d,e){var y
 A:{if("timePicker.hours"===e){y="\u0998\u09a3\u09cd\u099f\u09be"
 break A}if("timePicker.minutes"===e){y="\u09ae\u09bf\u09a8\u09bf\u099f"
 break A}if("timePicker.seconds"===e){y="\u099b\u09c7\u0995\u09c7\u09a3\u09cd\u09a1"
@@ -23,38 +23,38 @@ break A}if("input.selectAll"===e){y="\u09b8\u0995\u09b2\u09cb \u09ac\u09be\u099b
 break A}if("keyboardToolbar.done"===e){y="\u09b8\u09ae\u09cd\u09aa\u09a8\u09cd\u09a8"
 break A}y=null
 break A}return y},
-box(d){return new A.aTu(d)},
-Yu:function Yu(d,e){var _=this
+boK(d){return new A.aTC(d)},
+Yy:function Yy(d,e){var _=this
 _.r=d
 _.z=_.w=$
 _.a=e
 _.e=_.b=$},
-aNP:function aNP(){},
-aTu:function aTu(d){this.a=d},
-a9v:function a9v(){}}
+aNV:function aNV(){},
+aTC:function aTC(d){this.a=d},
+a9z:function a9z(){}}
 B=c[0]
 A=a.updateHolder(c[6],A)
-A.Yu.prototype={
+A.Yy.prototype={
 h(d,e){var y=this.r.a4(e)
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 gb4(){var y=this,x=y.z
 if(x===$){if(y.w===$)y.w=y
-x=y.z=new A.aNP()}return x},
+x=y.z=new A.aNV()}return x},
 gb9(){return this.r}}
-A.aNP.prototype={
+A.aNV.prototype={
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 gbe(){return"\u09b8\u0995\u09b2\u09cb \u09ac\u09be\u099b\u0995"}}
-A.a9v.prototype={}
+A.a9z.prototype={}
 var z=a.updateTypes([])
-A.aTu.prototype={
-$1(d){return A.bnd(this.a,d)},
+A.aTC.prototype={
+$1(d){return A.bnq(this.a,d)},
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-x(A.a9v,B.a_)
-x(A.Yu,A.a9v)
-x(A.aNP,B.aZ)
-x(A.aTu,B.aR)
-y(A.a9v,B.aX)})()
-B.b3(b.typeUniverse,JSON.parse('{"Yu":{"a_":[]}}'))};
-(a=>{a["gDhVTwAgp1ooLJUvbcZIIhV/RSY="]=a.current})($__dart_deferred_initializers__);
+x(A.a9z,B.a_)
+x(A.Yy,A.a9z)
+x(A.aNV,B.aZ)
+x(A.aTC,B.aR)
+y(A.a9z,B.aX)})()
+B.b4(b.typeUniverse,JSON.parse('{"Yy":{"a_":[]}}'))};
+(a=>{a["pNTjow9miqKm3f2vrgdQfvzcYFU="]=a.current})($__dart_deferred_initializers__);