Allow restrictions based on content type or field name

This MR adds some additional contexts that can be evaluated against:
field_name: the Paragraphs reference field
entity_type: the entity type (node, taxonomy term, etc.)
entity_bundle: the entity bundle (content type, etc.)

It also modifies the application of restrictions such that all contexts are required to match in order for any restriction to apply. This allows setting granular or broad restrictions, depending on the combination.

For example:

field_rule:
  context:
    entity_type: node
    entity_bundle: me_test_ct
    field_name: field_me_test_content
    region: _root
  components:
    - me_test_container

Will only match on the root level of the field_me_test_content field when it is on a node of type me_test_ct. All other instances of that field will not be restricted.