fix(qcow2util): read clusters with kill data

Reading allocation table is needed for kill data to run

Signed-off-by: Damien Thenot <damien.thenot@vates.tech>

Author: Nambrok

drivers/qcow2util.py

@@ -680,7 +680,7 @@ def killData(self, path: str) -> None:
         Returns:
             nothing.
         """
-        self._read_qcow2(path)
+        self._read_qcow2(path, read_clusters=True)
         # We need to reset L1 entries and then just truncate the file right
         # after L1 entries
         with open(self.filename, "r+b") as file: