Closes #19002: Module type profiles (#19014)

* Move Module & ModuleType models to a separate file

* Add ModuleTypeProfile & related fields

* Initial work on JSON schema validation

* Add attributes property on ModuleType

* Introduce MultipleOfValidator

* Introduce JSONSchemaProperty

* Enable dynamic form field rendering

* Misc cleanup

* Fix migration conflict

* Ensure deterministic ordering of attriubte fields

* Support choices & default values

* Include module type attributes on module view

* Enable modifying individual attributes via REST API

* Enable filtering by attribute values

* Add documentation & tests

* Schema should be optional

* Include attributes column for profiles

* Profile is nullable

* Include some initial profiles to be installed via migration

* Fix migrations conflict

* Fix filterset test

* Misc cleanup

* Fixes #19023: get_field_value() should respect null values in bound forms (#19024)

* Skip filters which do not specify a JSON-serializable value

* Fix handling of array item types

* Fix initial data in schema field during bulk edit

* Implement sanity checking for JSON schema definitions

* Fall back to filtering by string value

base_requirements.txt

@@ -82,6 +82,10 @@ gunicorn
 # https://jinja.palletsprojects.com/changes/
 Jinja2
 
+# JSON schema validation
+# https://github.com/python-jsonschema/jsonschema/blob/main/CHANGELOG.rst
+jsonschema
+
 # Simple markup language for rendering HTML
 # https://python-markdown.github.io/changelog/
 Markdown