[Enhancement] The option to reset changed theme colors in App Settings should be available

[Softvision-RemusDranca]

[Affected Versions]:

• Chrome 87.0.4280.141
• Firefox Release 84.0.2

[Affected Platforms]:

• Windows 10x64

[Prerequisites]:

• Hubs Cloud is set up.
• The Admin Panel is opened.

[Steps to reproduce]:

1. Click the "App Settings" option from the Admin Panel.
2. Click the "THEMES" section.
3. Change one of the theme color.
4. Observe if the theme can be changed back to default.

[Expected results]:

• The option is available.

[Actual results]:

• The theme can't be reset the only option available is to chose another color.

[Notes]:

• This behaviour is reproducible with all themes from the App Settings -> THEMES section.

┆Issue is synchronized with this Jira Task