[FEATURE] Add missing stdWrap to the new "strPad" properties

Change-Id: Id054b5b831d4b3cb83447c01648bb5ed6cde4589
Resolves: #43604
Releases: 6.2
Reviewed-on: https://review.typo3.org/20278
Reviewed-by: Stefan Neufeind
Tested-by: Stefan Neufeind
Reviewed-by: Philipp Gampe
Tested-by: Philipp Gampe
[TASK] BE login template wrong

Accidentally reintroduced path to BE template.
Remove superfluous line again.

Releases: 6.2
Change-Id: I71dad6fbe2e8026999cff402c36b688a511cc4c6
Reviewed-on: https://review.typo3.org/20519
Reviewed-by: Markus Klein
Tested-by: Markus Klein
[TASK] Move adminpanel.js to EXT: frontend

Admin panel is displayed on frontend when enabled. Editors can
move this panel via drag+drop based on adminpanel.js.
This file is only used in EXT: frontend and should remain there.

Change-Id: Id0733f6a199487946a312f787c30d8126275ee6b
Resolves: #47943
Releases: 6.2
Reviewed-on: https://review.typo3.org/20518
Reviewed-by: Wouter Wolters
Tested-by: Wouter Wolters
Reviewed-by: Philipp Gampe
Tested-by: Philipp Gampe