Reason/Context

Please try answering few of those questions

• Why we need this improvement?
  The rest of AsyncAPI Studio uses a dark theme, but the Studio Settings modal remains in light mode, which feels visually inconsistent.
• How will this change help?
  Adding dark mode support to the settings section will ensure a consistent and cohesive UI experience across the entire Studio.

Description

Currently, the Studio Settings modal uses a light theme even when the rest of the application is in dark mode.

Current behavior:

can be like this

The settings modal should follow the same dark theme as the rest of the Studio to maintain visual consistency throughout the application.