[TASK] Align inputs and adjust label-width

Labels should display as a block so inputs are aligned.
Label-width needs to be adjusted as well then.

Change-Id: I4a0e58fc648efd0767d0d3dc814d5aa7c7c444e2
Resolves: #50951
Releases: 6.2
Reviewed-on: https://review.typo3.org/22983
Reviewed-by: Wouter Wolters
Tested-by: Wouter Wolters
Reviewed-by: Christian Kuhn
Tested-by: Christian Kuhn
[FEATURE] Install tool database select during upgrading

- Detect if SYS/isInitialInstallationInProgress is set
- If set: Show form for creating or selecting empty db
- If not set: Show all databases the user has access to

Change-Id: Ifaa1678f8ab1eaacec944e6dddf7d23babb804cf
Resolves: #51357
Releases: 6.2
Reviewed-on: https://review.typo3.org/23329
Reviewed-by: Stefan Neufeind
Tested-by: Stefan Neufeind
Reviewed-by: Alexander Böhm
Tested-by: Alexander Böhm
Reviewed-by: Christian Kuhn
Tested-by: Christian Kuhn