🏎 Minor feature request: Improve access to OnboardingActionsView when OnboardingView is scrollable

[Supereg]

Problem

Currently, the OnboardingActionsView (e.g. Continue Button, ...) in each OnboardingView is embedded into the ScrollView (see SpeziOnboarding/SpeziOnboardingView).
As the scroll view is marked to not show a scroll indicator, it might be confusing to some users with larger onboarding screens where to continue (e.g. the AccountSetup view with an already logged in user and a longer explanatory text). A visual example is attached below.

Solution

Note, a possibly solution will require changes in the SpeziOnboarding package as well, though I created this issue here to explore potential solutions first.

As in some cases the current behavior is still desirable (e.g., to ensure the user reads all the presented content), the placement of the ActionView should be configurable. I would consider placing the ActionView outside the ScrollView the more sensible default.

We could also investigate a solution where we e.g. automatically place the ActionView into the bottom toolbar when the OnboardingView is presented inside a NavigationStack.

Additional context

An example of a problematic/confusing view.

To ensure e.g. appearing actions are seen by the user, ScrollViewReader might be helpful.

Code of Conduct

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