Update/angular 16

- Remove global dialog style

- This allows to assign a font to a text in MatFabButtons

with ng update @angular/material@16 @angular/cdk@16
- run npm audit fix

causes problems after update

New character: protected dash (which does not break lines)

#455

#452

Element margins and grid sizes now have a measure unit attached. The 
translation logic to merge unit and value are done via Pipe.

flex-start is the correct value for flex containers.