Cypress' contains "can contain more than the desired text and still 
match". This creates issues when having similar names in 
dropdown-entries and unwanted elements get selected.

- Extract drop-list connection as separate utility function
- Add ID as optional parameter when adding lists. This can be used to 
improve readability of tests.
- some reordering of functions to make more sense.

- they are cut off in container mode
- cannot be used on iPads

This makes the element ID predicable and allow for better testing.

Refactor/text area math

- Use type 'no-value' as fallback value
- Send info also for state variables with type 'no-value'

- Reset shift key when switching between layers

#744

- Fix hidden shift keys of numeric layout

#744