Revert the dashboard color scheme

### Prerequisites

- [x] I have checked the [Wiki](https://github.com/AdguardTeam/AdGuardHome/wiki) and [Discussions](https://github.com/AdguardTeam/AdGuardHome/discussions) and found no answer

- [x] I have searched other issues and found no duplicates

- [x] I want to request a feature or enhancement and not ask a question

### The problem

The dashboard color scheme in v0.107.75 looks terrible.

### Proposed solution

Please tell me, is it possible to return to the old color scheme?
v0.107.74
This one looks much better.

### Alternatives considered and additional information

_No response_