fix(config/html): handle encoding issues and improve error handling in config and HTML file loading functions (#4203)

Co-authored-by: Sergio <sergio@prowler.com>

tests/config/config_test.py

@@ -1,3 +1,4 @@
+import logging
 import os
 import pathlib
 from unittest import mock
@@ -386,12 +387,16 @@ class Test_Config:
         assert load_and_validate_config_file("azure", config_test_file) == {}
         assert load_and_validate_config_file("kubernetes", config_test_file) == {}
 
-    def test_load_and_validate_config_file_invalid_config_file_path(self):
+    def test_load_and_validate_config_file_invalid_config_file_path(self, caplog):
         provider = "aws"
         config_file_path = "invalid/path/to/fixer_config.yaml"
 
-        with pytest.raises(SystemExit):
-            load_and_validate_config_file(provider, config_file_path)
+        with caplog.at_level(logging.ERROR):
+            result = load_and_validate_config_file(provider, config_file_path)
+            assert "FileNotFoundError" in caplog.text
+            assert result == {}
+
+        assert pytest is not None
 
     def test_load_and_validate_fixer_config_aws(self):
         path = pathlib.Path(os.path.dirname(os.path.realpath(__file__)))
@@ -421,9 +426,13 @@ class Test_Config:
 
         assert load_and_validate_fixer_config_file(provider, config_test_file) == {}
 
-    def test_load_and_validate_fixer_config_invalid_fixer_config_path(self):
+    def test_load_and_validate_fixer_config_invalid_fixer_config_path(self, caplog):
         provider = "aws"
         fixer_config_path = "invalid/path/to/fixer_config.yaml"
 
-        with pytest.raises(SystemExit):
-            load_and_validate_fixer_config_file(provider, fixer_config_path)
+        with caplog.at_level(logging.ERROR):
+            result = load_and_validate_fixer_config_file(provider, fixer_config_path)
+            assert "FileNotFoundError" in caplog.text
+            assert result == {}
+
+        assert pytest is not None