.agvmap 확장자제거하고 .json 으로 통일한 mapeditor 와 호환성 유지

Cs_HMI/AGVLogic/AGVMapEditor/Forms/MainForm.cs

@@ -546,8 +546,8 @@ namespace AGVMapEditor.Forms
         {
             var openFileDialog = new OpenFileDialog
             {
-                Filter = "AGV Map Files (*.agvmap;*.json)|*.agvmap;*.json|All Files (*.*)|*.*",
-                DefaultExt = "agvmap",
+                Filter = "AGV Map Files (*.json)|*.json|All Files (*.*)|*.*",
+                DefaultExt = "json",
             };
 
 
@@ -595,9 +595,9 @@ namespace AGVMapEditor.Forms
         {
             var saveFileDialog = new SaveFileDialog
             {
-                Filter = "AGV Map Files (*.agvmap)|*.agvmap",
-                DefaultExt = "agvmap",
-                FileName = "NewMap.agvmap"
+                Filter = "AGV Map Files (*.json)|*.json",
+                DefaultExt = "json",
+                FileName = "NewMap.json"
             };
 
             if (saveFileDialog.ShowDialog() == DialogResult.OK)