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_89.part.js

@@ -1,15 +1,15 @@
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 $__dart_deferred_initializers__.current=function(a,b,c,$){var B,A={
-b4m(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
-u=new A.Zl(v,u)
+b4w(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
+u=new A.Zp(v,u)
 u.bf(d,w,e,w)
 y=u.a
 x=v.r
 x.toString
 y.r=x
-v.r=A.bnB(u)
+v.r=A.bnO(u)
 return u},
-bmh(d,e){var y
+bmu(d,e){var y
 A:{if("timePicker.hours"===e){y="Godziny"
 break A}if("timePicker.minutes"===e){y="Minuty"
 break A}if("timePicker.seconds"===e){y="Sekundy"
@@ -23,38 +23,38 @@ break A}if("input.selectAll"===e){y="Zaznacz wszystko"
 break A}if("keyboardToolbar.done"===e){y="Gotowe"
 break A}y=null
 break A}return y},
-bnB(d){return new A.aSy(d)},
-Zl:function Zl(d,e){var _=this
+bnO(d){return new A.aSG(d)},
+Zp:function Zp(d,e){var _=this
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 _.z=_.w=$
 _.a=e
 _.e=_.b=$},
-aOG:function aOG(){},
-aSy:function aSy(d){this.a=d},
-aam:function aam(){}}
+aOM:function aOM(){},
+aSG:function aSG(d){this.a=d},
+aaq:function aaq(){}}
 B=c[0]
 A=a.updateHolder(c[60],A)
-A.Zl.prototype={
+A.Zp.prototype={
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 return y==null?this.a.a4(e):y},
 gb4(){var y=this,x=y.z
 if(x===$){if(y.w===$)y.w=y
-x=y.z=new A.aOG()}return x},
+x=y.z=new A.aOM()}return x},
 gb9(){return this.r}}
-A.aOG.prototype={
+A.aOM.prototype={
 gbh(){return"Wytnij"},
 gbg(){return"Kopiuj"},
 gbi(){return"Wklej"},
 gbe(){return"Zaznacz wszystko"}}
-A.aam.prototype={}
+A.aaq.prototype={}
 var z=a.updateTypes([])
-A.aSy.prototype={
-$1(d){return A.bmh(this.a,d)},
+A.aSG.prototype={
+$1(d){return A.bmu(this.a,d)},
 $S:2};(function inheritance(){var y=a.mixin,x=a.inherit
-x(A.aam,B.a_)
-x(A.Zl,A.aam)
-x(A.aOG,B.aZ)
-x(A.aSy,B.aR)
-y(A.aam,B.aX)})()
-B.b3(b.typeUniverse,JSON.parse('{"Zl":{"a_":[]}}'))};
-(a=>{a["Dz1cf9tTgwEY9vGwtuDCwpZueeg="]=a.current})($__dart_deferred_initializers__);
+x(A.aaq,B.a_)
+x(A.Zp,A.aaq)
+x(A.aOM,B.aZ)
+x(A.aSG,B.aR)
+y(A.aaq,B.aX)})()
+B.b4(b.typeUniverse,JSON.parse('{"Zp":{"a_":[]}}'))};
+(a=>{a["unyO8FPw6tZtLbLoOUUWMGpbPOA="]=a.current})($__dart_deferred_initializers__);