fix(maple-fighters): save player character data

Author: codingben

src/maple-fighters/Assets/Maple Fighters/Resources/Sample/Characters/Sample 0.prefab

@@ -22,7 +22,7 @@ GameObject:
   m_Icon: {fileID: 0}
   m_NavMeshLayer: 0
   m_StaticEditorFlags: 0
-  m_IsActive: 1
+  m_IsActive: 0
 --- !u!224 &224942048711309472
 RectTransform:
   m_ObjectHideFlags: 0

src/maple-fighters/Assets/Maple Fighters/Resources/Sample/Characters/Sample 2.prefab

@@ -22,7 +22,7 @@ GameObject:
   m_Icon: {fileID: 0}
   m_NavMeshLayer: 0
   m_StaticEditorFlags: 0
-  m_IsActive: 1
+  m_IsActive: 0
 --- !u!224 &224162137945518364
 RectTransform:
   m_ObjectHideFlags: 0