Bug 423884

SUMMARY
When using type-ahead to search for a filesystem object in Dolphin in details view mode, the found object is selected and shown at the bottom of the list. Instead I think Dolphin should put the found object in the middle of the list whenever possible.

STEPS TO REPRODUCE
1. Enter a folder with a lot of files or folders in it (well over 200) and set the Dolphin window to use details mode and make the Dolphin window tall enough to use but not show more than, say, 20 of the items in the folder.
2. Type characters quickly enough to make Dolphin locate an item midway down the list. The item you match should have lots of items below it so the scrollbar is not hitting the bottom of the scrollable range.
3. Dolphin scrolls the view down to show that it has selected the first match for whatever you typed.

OBSERVED RESULT
This, now selected, item is positioned at the bottom of the visible portion of the list.

EXPECTED RESULT
This, now selected, item should be positioned at the middle of the visible portion of the list because it is possible to do so and shows the user some items on either side of the selected item.

SOFTWARE/OS VERSIONS
Operating System: Debian GNU/Linux 
KDE Plasma Version: 5.17.5
KDE Frameworks Version: 5.70.0
Qt Version: 5.14.2
Kernel Version: 5.7.0-1-amd64
OS Type: 64-bit
Processors: 8 × AMD FX(tm)-8150 Eight-Core Processor
Memory: 31.3 GiB of RAM

ADDITIONAL INFORMATION
I think the selection should be in the middle because:
1. I find it easier to notice what is selected when that item is in the middle of the list (whenever possible, obviously selecting something on the last page of the list will render this impossible to do).
2. I might want to select a directory and uncollapse that directory. It would be nicer to give me room to see what's in the directory while (again, to the extent possible) show me the directory too.