resource powerplatform rest backend infrastructure changes are not tracked

[mawasile]

This pull request includes several updates to the powerplatform_rest resource, focusing on enhancing the documentation, adding a new plan modifier, and improving the handling of API responses.

Documentation Updates:

• Added id and output attributes to the powerplatform_rest resource documentation. (docs/resources/rest.md)
• Introduced a nested schema for the output attribute, detailing its structure. (docs/resources/rest.md)
• Removed duplicate id and output attributes from the read-only section. (docs/resources/rest.md)

Code Enhancements:

• Added a new plan modifier ForceStringValueUnknownModifier to ensure synchronization of file attributes. (internal/powerplatform/modifiers/force_string_value_unknown_modifier.go)
• Improved handling of API responses in SendOperation method to return an unknown object type on error. (internal/powerplatform/services/rest/api_rest.go) [1] [2] [3]
• Updated the DataverseWebApiResource to handle create, read, update, and delete operations more robustly, including the use of the new plan modifier. (internal/powerplatform/services/rest/resource_rest.go) [1] [2] [3] [4] [5] [6] [7]

Test Updates:

• Added a new responder to mock GET requests in unit tests. (internal/powerplatform/resource_rest_test.go)

These changes aim to enhance the functionality and reliability of the powerplatform_rest resource, ensuring better synchronization and error handling.