[UI] Change the Save and Actions buttons to be in the top right corner of the editor and without the "Actions" and "Save" text — only icons

[anna-geller]

The expected change:

1. Move the buttons to the top right corner of the Editor
2. Change the buttons so that those are only icons without text as shown in the second image below

https://www.figma.com/file/ew0uXk0NRXJ2NBBJTNe2n1/UI?type=design&node-id=144%3A2708&mode=design&t=bTHNOPWLGgwEna8S-1

[Nico-Kestra]

Example for responsive, only icon button