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_78.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={
-b4c(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
-u=new A.Zb(v,u)
+b4m(d,e,f){var y,x,w=null,v=new B.a0(),u=new B.a0()
+u=new A.Zf(v,u)
 u.bf(d,w,e,w)
 y=u.a
 x=v.r
 x.toString
 y.r=x
-v.r=A.bnM(u)
+v.r=A.bnZ(u)
 return u},
-bms(d,e){var y
+bmF(d,e){var y
 A:{if("timePicker.hours"===e){y="\u0426\u0430\u0433"
 break A}if("timePicker.minutes"===e){y="\u041c\u0438\u043d\u0443\u0442"
 break A}if("timePicker.seconds"===e){y="\u0421\u0435\u043a\u0443\u043d\u0434"
@@ -23,38 +23,38 @@ break A}if("input.selectAll"===e){y="\u0411\u04af\u0433\u0434\u0438\u0439\u0433
 break A}if("keyboardToolbar.done"===e){y="\u0411\u043e\u043b\u0441\u043e\u043d"
 break A}y=null
 break A}return y},
-bnM(d){return new A.aSJ(d)},
-Zb:function Zb(d,e){var _=this
+bnZ(d){return new A.aSR(d)},
+Zf:function Zf(d,e){var _=this
 _.r=d
 _.z=_.w=$
 _.a=e
 _.e=_.b=$},
-aOw:function aOw(){},
-aSJ:function aSJ(d){this.a=d},
-aac:function aac(){}}
+aOC:function aOC(){},
+aSR:function aSR(d){this.a=d},
+aag:function aag(){}}
 B=c[0]
 A=a.updateHolder(c[50],A)
-A.Zb.prototype={
+A.Zf.prototype={
 h(d,e){var y=this.r.a4(e)
 return y==null?this.a.a4(e):y},
 gb4(){var y=this,x=y.z
 if(x===$){if(y.w===$)y.w=y
-x=y.z=new A.aOw()}return x},
+x=y.z=new A.aOC()}return x},
 gb9(){return this.r}}
-A.aOw.prototype={
+A.aOC.prototype={
 gbh(){return"\u0422\u0430\u0439\u0440\u0430\u0445"},
 gbg(){return"\u0425\u0443\u0443\u043b\u0430\u0445"},
 gbi(){return"\u0411\u0443\u0443\u043b\u0433\u0430\u0445"},
 gbe(){return"\u0411\u04af\u0433\u0434\u0438\u0439\u0433 \u0441\u043e\u043d\u0433\u043e\u0445"}}
-A.aac.prototype={}
+A.aag.prototype={}
 var z=a.updateTypes([])
-A.aSJ.prototype={
-$1(d){return A.bms(this.a,d)},
+A.aSR.prototype={
+$1(d){return A.bmF(this.a,d)},
 $S:2};(function inheritance(){var y=a.mixin,x=a.inherit
-x(A.aac,B.a_)
-x(A.Zb,A.aac)
-x(A.aOw,B.aZ)
-x(A.aSJ,B.aR)
-y(A.aac,B.aX)})()
-B.b3(b.typeUniverse,JSON.parse('{"Zb":{"a_":[]}}'))};
-(a=>{a["J5k1CcbZJY7RskHUGzwvdt4mIc4="]=a.current})($__dart_deferred_initializers__);
+x(A.aag,B.a_)
+x(A.Zf,A.aag)
+x(A.aOC,B.aZ)
+x(A.aSR,B.aR)
+y(A.aag,B.aX)})()
+B.b4(b.typeUniverse,JSON.parse('{"Zf":{"a_":[]}}'))};
+(a=>{a["yleOAREkFdOx2eUyxeAotvcGBo8="]=a.current})($__dart_deferred_initializers__);