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_54.part.js

@@ -1,15 +1,15 @@
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-b3V(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
-u=new A.YU(v,u)
+b44(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.bo5(u)
+v.r=A.boi(u)
 return u},
-bmM(d,e){var y
+bmZ(d,e){var y
 A:{if("timePicker.hours"===e){y="Sati"
 break A}if("timePicker.minutes"===e){y="Minute"
 break A}if("timePicker.seconds"===e){y="Sekunde"
@@ -23,38 +23,38 @@ break A}if("input.selectAll"===e){y="Odaberi sve"
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-bo5(d){return new A.aT2(d)},
-YU:function YU(d,e){var _=this
+boi(d){return new A.aTa(d)},
+YY:function YY(d,e){var _=this
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-aOe:function aOe(){},
-aT2:function aT2(d){this.a=d},
-a9V:function a9V(){}}
+aOk:function aOk(){},
+aTa:function aTa(d){this.a=d},
+a9Z:function a9Z(){}}
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-A.YU.prototype={
+A.YY.prototype={
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 gb4(){var y=this,x=y.z
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-x=y.z=new A.aOe()}return x},
+x=y.z=new A.aOk()}return x},
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-A.aOe.prototype={
+A.aOk.prototype={
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 gbg(){return"Kopiraj"},
 gbi(){return"Zalijepi"},
 gbe(){return"Odaberi sve"}}
-A.a9V.prototype={}
+A.a9Z.prototype={}
 var z=a.updateTypes([])
-A.aT2.prototype={
-$1(d){return A.bmM(this.a,d)},
+A.aTa.prototype={
+$1(d){return A.bmZ(this.a,d)},
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-x(A.a9V,B.a_)
-x(A.YU,A.a9V)
-x(A.aOe,B.aZ)
-x(A.aT2,B.aR)
-y(A.a9V,B.aX)})()
-B.b3(b.typeUniverse,JSON.parse('{"YU":{"a_":[]}}'))};
-(a=>{a["0e4v2hD7Q9mmKSaczBViy2+gzzg="]=a.current})($__dart_deferred_initializers__);
+x(A.a9Z,B.a_)
+x(A.YY,A.a9Z)
+x(A.aOk,B.aZ)
+x(A.aTa,B.aR)
+y(A.a9Z,B.aX)})()
+B.b4(b.typeUniverse,JSON.parse('{"YY":{"a_":[]}}'))};
+(a=>{a["vGwZolkI8Kl2cha7ody+blRKbYs="]=a.current})($__dart_deferred_initializers__);