fix(animation anim): 修复动画关键帧浮点数值精度问题

将动画配置文件中的关键帧浮点数值从简写形式更新为完整的浮点表示，避免因精度丢失导致的动画异常

assets/resources/gui/anim/animation.anim

@@ -222,7 +222,7 @@
         "__type__": "cc.RealKeyframeValue",
         "interpolationMode": 0,
         "tangentWeightMode": 0,
-        "value": 1.6,
+        "value": 1.600000023841858,
         "rightTangent": 0,
         "rightTangentWeight": 1,
         "leftTangent": 0,
@@ -236,7 +236,7 @@
         "__type__": "cc.RealKeyframeValue",
         "interpolationMode": 0,
         "tangentWeightMode": 0,
-        "value": 1.8,
+        "value": 1.7999999523162842,
         "rightTangent": 0,
         "rightTangentWeight": 1,
         "leftTangent": 0,
@@ -250,7 +250,7 @@
         "__type__": "cc.RealKeyframeValue",
         "interpolationMode": 0,
         "tangentWeightMode": 0,
-        "value": 1.6,
+        "value": 1.600000023841858,
         "rightTangent": 0,
         "rightTangentWeight": 1,
         "leftTangent": 0,
@@ -282,7 +282,7 @@
         "__type__": "cc.RealKeyframeValue",
         "interpolationMode": 0,
         "tangentWeightMode": 0,
-        "value": 1.6,
+        "value": 1.600000023841858,
         "rightTangent": 0,
         "rightTangentWeight": 1,
         "leftTangent": 0,
@@ -296,7 +296,7 @@
         "__type__": "cc.RealKeyframeValue",
         "interpolationMode": 0,
         "tangentWeightMode": 0,
-        "value": 1.8,
+        "value": 1.7999999523162842,
         "rightTangent": 0,
         "rightTangentWeight": 1,
         "leftTangent": 0,
@@ -310,7 +310,7 @@
         "__type__": "cc.RealKeyframeValue",
         "interpolationMode": 0,
         "tangentWeightMode": 0,
-        "value": 1.6,
+        "value": 1.600000023841858,
         "rightTangent": 0,
         "rightTangentWeight": 1,
         "leftTangent": 0,