[Bug]: Error/warning message when data is not sufficient and no teal transform modules

[gogonzo]

What happened?

When data provided to the teal::init has insufficient datasets and none of the modules have teal_transform_module specified it clearly means that some modules are missing some datasets.

What we need is to make an assert/warning in teal::init to throw message when:

• datasets available in data argument don't cover all possible modules$datanames
• None of the modules have transforms specified (means that list of datasets won't be extended by teal_transform_module)

When we address https://github.com/insightsengineering/teal/issues/1298 it will be possible to determine all possible datanames including those created in teal_transform_module so the message will be thrown when:

• datasets available in data argument don't cover all possible modules$datanames and teal_transform_module$datanames

[m7pr]

Proposition for an improvement in here https://github.com/insightsengineering/teal/pull/1309, but blocked by https://github.com/insightsengineering/teal/issues/1298

[m7pr]

Hey, I provided

• a PR for the top part of the issue https://github.com/insightsengineering/teal/pull/1319
• a DRAFT for the second part of the issue https://github.com/insightsengineering/teal/pull/1320 (but this is blocked by https://github.com/insightsengineering/teal/issues/1298)

[m7pr]

Closed with https://github.com/insightsengineering/teal/pull/1319