Allow board saves without modifying project files

Without the project files, certain settings will not be saved by this
python call.  This defaults to false (current behavior) but setting the
`aSkipSettings` to true will revert to v5 behavior

Fixes https://gitlab.com/kicad/code/kicad/issues/11323

pcbnew/python/scripting/pcbnew_scripting_helpers.cpp

@@ -241,7 +241,7 @@ BOARD* CreateEmptyBoard()
 }
 
 
-bool SaveBoard( wxString& aFileName, BOARD* aBoard, IO_MGR::PCB_FILE_T aFormat )
+bool SaveBoard( wxString& aFileName, BOARD* aBoard, IO_MGR::PCB_FILE_T aFormat, bool aSkipSettings )
 {
     aBoard->BuildConnectivity();
     aBoard->SynchronizeNetsAndNetClasses();
@@ -255,20 +255,23 @@ bool SaveBoard( wxString& aFileName, BOARD* aBoard, IO_MGR::PCB_FILE_T aFormat )
         return false;
     }
 
-    wxFileName pro = aFileName;
-    pro.SetExt( ProjectFileExtension );
-    pro.MakeAbsolute();
-    wxString projectPath = pro.GetFullPath();
+    if( !aSkipSettings )
+    {
+        wxFileName pro = aFileName;
+        pro.SetExt( ProjectFileExtension );
+        pro.MakeAbsolute();
+        wxString projectPath = pro.GetFullPath();
 
-    GetSettingsManager()->SaveProjectAs( pro.GetFullPath(), aBoard->GetProject() );
+        GetSettingsManager()->SaveProjectAs( pro.GetFullPath(), aBoard->GetProject() );
+    }
 
     return true;
 }
 
 
-bool SaveBoard( wxString& aFileName, BOARD* aBoard )
+bool SaveBoard( wxString& aFileName, BOARD* aBoard, bool aSkipSettings )
 {
-    return SaveBoard( aFileName, aBoard, IO_MGR::KICAD_SEXP );
+    return SaveBoard( aFileName, aBoard, IO_MGR::KICAD_SEXP, aSkipSettings );
 }
 
 

pcbnew/python/scripting/pcbnew_scripting_helpers.h

@@ -67,9 +67,11 @@ BOARD* CreateEmptyBoard();
  * Boards can only be saved in KiCad native format.
  * @param aFileName is the full path to save a copy to.
  * @param aBoard is a pointer to a loaded BOARD to save.
+ * @param aSkipSettings if true, only save the board file.  This will lose settings changes
+ * that are saved in the project file
  * @return true if the save was completed.
  */
-bool SaveBoard( wxString& aFileName, BOARD* aBoard );
+bool SaveBoard( wxString& aFileName, BOARD* aBoard, bool aSkipSettings = false );
 
 /**
  * Get the nicknames of all of the footprint libraries configured in