[BUG] Tray icon does not auto sync to system colour scheme while running in the background

[lemon-sundae]

Please confirm these before moving forward

• I have searched for my issue and have not found a work-in-progress/duplicate/resolved issue.
• I have tested that this issue has not been fixed in the latest (beta or stable) release.
• I have checked the FAQ section for solutions.
• This issue is about a bug (if it is not, please use the correct template).

UniGetUI Version

3.2.0-beta1

Windows version, edition, and architecture

Windows 11 Pro for Workstations 26100.3775 amd64

Describe your issue

UnigetUI's tray icon only sync to windows colour scheme when it's window is opened, but not in the background.

Steps to reproduce the issue

No response

UniGetUI Log

no log needed

Package Managers Logs

no log needed

Relevant information

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Screenshots and videos

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[marticliment]

This will be fixed by #2366