After clicking the right mouse button e.g. on the mode-line's minor-modes,
typing S-F10 on a misspelled word pops up the context menu over the mode-line
instead of the position over the misspelled word.  Because it tries to find
the last event that is a mouse event.  In case of keyboard-based 'context-menu-open'
that let-binds 'inhibit-mouse-event-check' to t, this is not needed: