Put "fct_update_tray_menu was called by" behind debug flag

[cweiske]

Brief summary of issue

When starting shutter 0.99.6 on the command line, the terminal is spammed with tray information lines like

fct_update_tray_menu was called by Wnck::Screen=HASH(0x56367f28f768)

fct_update_tray_menu was called by Wnck::Screen=HASH(0x56367f28f768)

fct_update_tray_menu was called by Wnck::Screen=HASH(0x56367f28f768)

This lines have no use for normal users and should be only printed when shutter is started with --debug.

Steps to reproduce the issue

1. Start shutter
2. See line
3. Switch active window (non-shutter)
4. See line

Error output

Extra information, such as Shutter version, display server in use (Xorg or Wayland), operating system and ideas for how to solve:

• Shutter 0.99.6
• Debian 12
• Xorg

[Photon89]

Thanks, this should be fixed in PR #748 !

[cweiske]

Thank you!