Use `sizeHint` instead of `setMinimumSize` to increase the default size
of `StickWidget` and `IRWidget`.
0531286906 doubled the initial sizes of
`StickWidget` and `IRWidget`, but using `setMinimumSize` to do so
prevented users from shrinking the widgets manually.
Resolves bugs.dolphin-emu.org/issues/14019.
Made Stick and IR Widgets bigger
Improved Stick and IR layouts to better utilize space
Made Stick and IR Widgets Scale at a fixed ratio when window is resized
Added Scrollbars to Stick and IR Widgets
Reduced Spinbox padding in dark style
Previously, it was not clear where the boundary of the StickWidget was when interacting outside of the circle. This aims to restore the gray square present in the Wx-era.
SPDX standardizes how source code conveys its copyright and licensing
information. See https://spdx.github.io/spdx-spec/1-rationale/ . SPDX
tags are adopted in many large projects, including things like the Linux
kernel.