Bug 469024

SUMMARY
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The [Alt] + [Shift] + [Arrow key] shortcut which the help overlay states resizes the current by 1 pixel instead actually resizes by 2 every key press. Very minor bug, but slightly annoying if you want to create a very precise screenshot.

STEPS TO REPRODUCE
1. Press [PrtSc], another print screen button, or manually select the rectangular screenshot option to begin selection.
2. Select an arbitrary rectangle selection of the screen.
3. Press [Alt] + [Shift] + [any applicable arrow key] to resize.

OBSERVED RESULT
Dimensions of the rectangular selection increment by 2 pixels for every key press.

EXPECTED RESULT
Dimensions should increment by 1 pixel with every key press, as it is stated by the help overlay.

SOFTWARE/OS VERSIONS
Windows: 
macOS: 
Linux/KDE Plasma: Kubuntu 22.04
(available in About System)
KDE Plasma Version: 5.24.7
KDE Frameworks Version: 5.92.0
Qt Version: 5.15.3

ADDITIONAL INFORMATION
Moving/Relocating the selection in 1-pixel increments through the keyboard works fine.
Selection only grows using this method, it can't shrink. The [up] and [left] arrow keys do nothing.