Handle zip related exceptions (#417)

Related to #416, but don't explain it.
This PR just handle a system image as invalid instead of crashing when :
- File is not a zip file (so like #416 )
- File is a zip file but does not contain metadata file

For now, only `IMG-e-1.18-t-20231207360613-stable-FP5.zip` is known to
be in the second case, and it's a very strange installation package, OAI
cannot handle that for now (related to #288 ?), so the file is shown as
invalid.
Maybe we can explain it with more details to the user?

openandroidinstaller/utils.py

@@ -84,6 +84,8 @@ def retrieve_image_metadata(image_path: str) -> dict:
                 ].decode("utf-8")
             logger.info(f"Metadata retrieved from image {image_path.split('/')[-1]}.")
             return metadata_dict
+    except zipfile.BadZipFile as e:
+        raise e
     except (FileNotFoundError, KeyError):
         logger.error(
             f"Metadata file {metapath} not found in {image_path.split('/')[-1]}."
@@ -107,12 +109,12 @@ def image_sdk_level(image_path: str) -> int:
     Returns:
         Android version as integer.
     """
-    metadata = retrieve_image_metadata(image_path)
     try:
+        metadata = retrieve_image_metadata(image_path)
         sdk_level = metadata["post-sdk-level"]
         logger.info(f"Android version of {image_path}: {sdk_level}")
         return int(sdk_level)
-    except (ValueError, TypeError, KeyError) as e:
+    except (ValueError, TypeError, KeyError, zipfile.BadZipFile) as e:
         logger.error(f"Could not determine Android version of {image_path}. Error: {e}")
         return -1
 
@@ -129,8 +131,8 @@ def image_works_with_device(
     Returns:
         CheckResult object containing the compatibility status and a message.
     """
-    metadata = retrieve_image_metadata(image_path)
     try:
+        metadata = retrieve_image_metadata(image_path)
         supported_devices = metadata["pre-device"].split(",")
         logger.info(f"Image works with the following device(s): {supported_devices}")
         if any(code in supported_devices for code in supported_device_codes):
@@ -145,6 +147,12 @@ def image_works_with_device(
                 CompatibilityStatus.INCOMPATIBLE,
                 f"Image file {image_path.split('/')[-1]} is not supported by device code.",
             )
+    except zipfile.BadZipFile:
+        logger.error("Selected image is not a zip file.")
+        return CheckResult(
+            CompatibilityStatus.INCOMPATIBLE,
+            f"Selected image {image_path.split('/')[-1]} is not a zip file.",
+        )
     except KeyError:
         logger.error(
             f"Could not determine supported devices for {image_path.split('/')[-1]}."