virtual: add missing check=True to subprocess.run()

Raise exception from subprocess.run() calls as previous code is
trying to capture these exceptions to handle de errors.

src/virtual/ogOperations.py

@@ -418,7 +418,7 @@ class OgVirtualOperations:
         except:
             return None
 
-        subprocess.run([f'umount {self.OG_IMAGES_PATH}'], shell=True)
+        subprocess.run([f'umount {self.OG_IMAGES_PATH}'], shell=True, check=True)
 
         return True
 
@@ -445,7 +445,7 @@ class OgVirtualOperations:
               f'ro,nolock,serverino,acl,' \
               f'username={samba_config["user"]},' \
               f'password={samba_config["pass"]}'
-        subprocess.run([cmd], shell=True)
+        subprocess.run([cmd], shell=True, check=True)
 
         try:
             shutil.copy(f'{self.OG_IMAGES_PATH}/{name}', drive_path)