Auto-complete file name in 2.99.6 from similarly named files
Operating System: Linux
Description of the feature
Back in GTK2 GIMP versions when I saved or exported a file, if I had several files of similar names (like "Image 1.jpg, Image 2.jpg, ...") I could start writing something into the Name bar (like "Ima") and the matched files will show up in the dropdown list.
Then if I press Tab to fill the rest of the file name, the bar will be filled with "Image " and I can easily add the incremental number and press enter to save.
With 2.99.6, Tab does nothing when a file name is highlighted in the Name dropdown list.
Use cases
A shortcut for filling in already used file name prefixes will increase save file speed and usability, and help avoid spelling errors.