[TASK] Dashboard: Adjust toolbar items look

Use the standard layout for toolbar items to make recurring elements
look the same in the various core modules.

Resolves: #92018
Releases: master
Change-Id: I2c34d0e977652bd247c0dd983308385cdf865042
Reviewed-on: https://review.typo3.org/c/Packages/TYPO3.CMS/+/65341


Tested-by: Richard Haeser <richard@richardhaeser.com>
Tested-by: core-ci <typo3@b13.com>
Tested-by: Benjamin Franzke <bfr@qbus.de>
Reviewed-by: Richard Haeser <richard@richardhaeser.com>
Reviewed-by: Benjamin Franzke <bfr@qbus.de>