Ad exmple of mass updating Orgs

This should be on the org list screen.
select multiple org rows and have an action drop down like in example to "update".
- should pop up a dialog that alows the mass update of timezone and orgClass on orgs.
- do one for users too for timezone or role ot some field there too

## TODO

- [x] ability to select multiple rows
- [x] add dropdown action for updating a name
- [x] add icon to the dropdown
- [x] implement dialog for mass update