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_96.part.js

@@ -1,15 +1,15 @@
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-u=new A.Zs(v,u)
+b4D(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
+u=new A.Zw(v,u)
 u.bf(d,w,e,w)
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 x.toString
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-v.r=A.bnt(u)
+v.r=A.bnG(u)
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-bm9(d,e){var y
+bmm(d,e){var y
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 break A}if("timePicker.seconds"===e){y="Sekunde"
@@ -23,38 +23,38 @@ break A}if("input.selectAll"===e){y="Izberi vse"
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-Zs:function Zs(d,e){var _=this
+bnG(d){return new A.aSy(d)},
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-aON:function aON(){},
-aSq:function aSq(d){this.a=d},
-aat:function aat(){}}
+aOT:function aOT(){},
+aSy:function aSy(d){this.a=d},
+aax:function aax(){}}
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-A.Zs.prototype={
+A.Zw.prototype={
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-x=y.z=new A.aON()}return x},
+x=y.z=new A.aOT()}return x},
 gb9(){return this.r}}
-A.aON.prototype={
+A.aOT.prototype={
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 gbg(){return"Kopiraj"},
 gbi(){return"Prilepi"},
 gbe(){return"Izberi vse"}}
-A.aat.prototype={}
+A.aax.prototype={}
 var z=a.updateTypes([])
-A.aSq.prototype={
-$1(d){return A.bm9(this.a,d)},
+A.aSy.prototype={
+$1(d){return A.bmm(this.a,d)},
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-x(A.aat,B.a_)
-x(A.Zs,A.aat)
-x(A.aON,B.aZ)
-x(A.aSq,B.aR)
-y(A.aat,B.aX)})()
-B.b3(b.typeUniverse,JSON.parse('{"Zs":{"a_":[]}}'))};
-(a=>{a["219WoaveyhqFqbDuHJZvrpAOqS4="]=a.current})($__dart_deferred_initializers__);
+x(A.aax,B.a_)
+x(A.Zw,A.aax)
+x(A.aOT,B.aZ)
+x(A.aSy,B.aR)
+y(A.aax,B.aX)})()
+B.b4(b.typeUniverse,JSON.parse('{"Zw":{"a_":[]}}'))};
+(a=>{a["xr/vxL0lnBxLLnWxb3MRLuvnApA="]=a.current})($__dart_deferred_initializers__);