refactor(converters): update import paths for CaseType model

- Changed the import statement for CaseType from tux.database.models.moderation to tux.database.models for improved clarity and organization.
- Ensured consistency in import paths across the codebase.

Author: kzndotsh

src/tux/core/converters.py

@@ -7,7 +7,7 @@
 from discord.ext import commands
 from loguru import logger
 
-from tux.database.models.moderation import CaseType
+from tux.database.models import CaseType
 
 if TYPE_CHECKING:
     from tux.core.types import Tux

src/tux/core/flags.py

@@ -2,7 +2,7 @@
 from discord.ext import commands
 
 from tux.core.converters import CaseTypeConverter, TimeConverter, convert_bool
-from tux.database.models.moderation import CaseType
+from tux.database.models import CaseType
 from tux.shared.constants import CONST
 
 # TODO: Figure out how to use boolean flags with empty values