NIEDUUI-276: Create a general FloatingActionButtonsBar component

[maierdominik]

JIRA: https://schulz-informatik.atlassian.net/browse/NIEDUUI-276

NIEDUUI-276:

• create a unified FloatingActionButtonsBar which accepts configurations for the buttons to then create the buttons
• for mobile view we created a button that opens a sheet which holds the floating action buttons

Additionally:

• Add a variant property to the adaptive dialog to change the styling for the <Sheet /> and <Dialogue /> component

GIF:

[michidold]

• Chevron for Action Button
• Remove Action Title in Sheet
• Add Dropdown menu in filesharing buttons
• Add two lines functionality if button text is to long
• Rename button configs to .ts
• Rename the Floating Buttons components for Desktop and Mobile view