Change commit button to save button

[kortemik]

ID <296> Reporter <@ronja-ui>

The customer thought that commit button is too misleading. They prefer a save button.

See and figure out terms around revision-feature.

[kortemik]

User <@ronja-ui> Date <[2023-02-21T08:27:54Z]>

Changed this:

• Create a commit -> Save
• Revision -> Version history
• Please select a commit -> Please select a save
• Set this commit as Head -> Set this save as Head

[BVVLD]

The texts and icons are as requested.