Ux improves

[Map1en]

1. Modified the margin-top of several dialogs (feedFilterDialog(2), groupDialog, screenshotMetadataDialog, VRChat Config JSON Dialog, userDialog). Adjusted the margin-top based on content since most users do not use VRCX in full-screen, and even in full-screen, the top space was too high.

• Note: The feedFilterDialog content is now scrollable due to long content.

2. Changed the time display in friendlog to short mode. Updated the time output from ISO + long mode to local timezone format YYYY-MM-DD HH:mm:ss as ISO format is not suitable for direct reading.

3. Optimized the display of location and search box in previousInstancesDialog to show justify-content: space-between。

4. Aligned the fav and more buttons on the right side of userdialog in MUI3 theme.

5. Added a prompt for "add fav friend".

6. moved the Discord names in the profile tab to the far left. The three export functions should be together.

7. Adjusted the style of the switch component, as it was previously misaligned.

8. Fix the clear button of the color picker component does not appear in dark theme.

• [UI] Enhancement #1033

It looks like many changes, most of them are Prettier's formatting.