[OMCPathReal] align exists() to the definition used in pathlib

Author: syntron

OMPython/OMCSession.py

@@ -393,7 +393,7 @@ def absolute(self):
         """
         return self.resolve(strict=True)
 
-    def exists(self) -> bool:
+    def exists(self, follow_symlinks=True) -> bool:
         """
         Semi replacement for pathlib.Path.exists().
         """