[macOS] Change breakpoint shortcuts to avoid conflicts

[passivestar]

Fixes this issue:

#23548 (comment)

Changes:

• Go To Previous Breakpoint: Command+Comma -> Control+Comma
• Go To Next Breakpoint: Command+Period -> Control+Period

Making Command+Comma work reliably for Settings is important because it's the standard shortcut to open them in all macOS apps. Using Ctrl for the breakpoint shortcuts seems like the best option because that's how these kinds of cross-platform conflicts are usually handled (i.e in Godot Ctrl+R is used to restart particle emission)

Edit: Also added a comment like in #93581 explaining that not using Command on mac is intentional

[passivestar]

Turns out Command+Period is also taken by default (Stop Running Project), so this PR solves 2 conflicts, not 1

godot/editor/gui/editor_run_bar.cpp

Line 407 in 61598c5

ED_SHORTCUT_OVERRIDE("editor/stop_running_project", "macos", KeyModifierMask::META | Key::PERIOD);

[akien-mga]

Thanks!