Desktop wallpaper on iMac with Ventura 13.3.1 does not load correctly

When I start my iMac with Ventura 13.3.1 my custom wallpaper does not load correctly and requires a reset in system setting /Wallpaper and although the setting is "Fit to Screen" the image is not displayed correctly ( looks more like fit to screen) I reset it to "Fill Screen" then back to "Fit to Screen" and its fine.

I know this is only a small thing but its really irritating when things don't work the way they should.

Is this an issue with Ventura or am I missing something in the settings?

Image shows how it should be.

[Edited by Moderator to Remove Personal Information]