Added osd_framerate_hz command option ins OSD tab#2594

hntirgeam wants to merge 2 commits intoiNavFlight:maintenance-9.xiNavFlight/inav-configurator:maintenance-9.xfrom

hntirgeam:feat/osd_framerate_hz_selectorhntirgeam/inav-configurator:feat/osd_framerate_hz_selectorCopy head branch name to clipboard