Fix settings loader to return empty list when splitting empty string value

src/corelibs/config_handling/settings_loader.py

@@ -173,10 +173,13 @@ class SettingsLoader:
                             args_overrride.append(key)
                     if skip:
                         continue
-                    settings[config_id][key] = [
-                        __value.replace(" ", "")
-                        for __value in settings[config_id][key].split(split_char)
-                    ]
+                    if settings[config_id][key]:
+                        settings[config_id][key] = [
+                            __value.replace(" ", "")
+                            for __value in settings[config_id][key].split(split_char)
+                        ]
+                    else:
+                        settings[config_id][key] = []
             except KeyError as e:
                 raise ValueError(self.__print(
                     f"[!] Cannot read [{config_id}] block because the entry [{e}] could not be found",