Deprecate datasets in teal

[gogonzo]

When calling teal_module which has a datasets argument we should throw deprecation message suggesting to use data and filter_panel_api separately.

Blocked by:

• Pass the list of reactive data to the module. #654
• Pass filter_panel_api to the module teal.slice#64

[pawelru]

Hi @gogonzo is this still applicable?

[gogonzo]

Thanks, I need to close this 👍