refactor: Update FilterComponent and unit test

- Addressed missing attributes in FilterComponent
- Improved non-ORM data handling with example data
- Revised unit test for compatibility and accuracy
- Introduce DashboardForm for django_filters
- Enhance MyPy typing annotations fixes

dashboards/component/filters.py

@@ -15,7 +15,7 @@
 from .base import Component, ValueData
 
 
-# Example non-ORM data for filtering
+
 EXAMPLE_NON_ORM_DATA = {
     "char_field": "example",
     "date_field": "2022-01-01",