Add save() as a command to the python interface

Fix export_snapshot issue

ApplicationCode/GrpcInterface/GrpcProtos/Commands.proto

@@ -323,6 +323,11 @@ message ExportContourMapToTextRequest
         int32 viewId                = 5;
 }
 
+message SaveProjectRequest
+{
+        string filePath       = 1;
+}
+
 /* CommandParams handles both command name and parameters in one.
  * The message type and content is used as parameters and
  * the name of the variable is used to find the command name. */
@@ -372,6 +377,7 @@ message CommandParams
 		ExportWellLogPlotDataRequest  exportWellLogPlotData            = 36;
 		SetWindowSizeParams           setPlotWindowSize                = 37;
 		ExportContourMapToTextRequest exportContourMapToText           = 38;
+		SaveProjectRequest 			  saveProject           		   = 39;
 	}
 }
 

ApplicationCode/GrpcInterface/Python/rips/project.py

@@ -36,6 +36,14 @@ class Project(PdmObject):
         """
         self._execute_command(openProject=Cmd.FilePathRequest(path=path))
         return self
+        
+    def save(self, path=""):
+        """Save the project to the existing project file, or to a new file
+        Arguments:
+            path(str): File path to the file to save the project to. If empty, saves to the active project file
+        """
+        self._execute_command(saveProject=Cmd.SaveProjectRequest(filePath=path))
+        return self
 
     def close(self):
         """Close the current project (and open new blank project)"""
@@ -223,7 +231,7 @@ class Project(PdmObject):
         """
         return self._execute_command(
             exportSnapshots=Cmd.ExportSnapshotsRequest(
-                type=snapshot_type, prefix=prefix, caseId=-1))
+                type=snapshot_type, prefix=prefix, caseId=-1, viewId=-1 ))
 
     def export_well_paths(self, well_paths=None, md_step_size=5.0):
         """ Export a set of well paths