Radio - tabbing out of Lock from not first/last radio does nothing

[theKashey]

theKashey/react-focus-on#35

👉 When the "distance" between last active, and the currently active elements are greater that 1 - focus lock returns focus to where it was.

Tabbing from radio button, which is not first/last in the group moves focus outside the lock and activates behavior like that.

• the correct fix. Skip these "not tabbable" radios, as long as are not. However this will also prevent selecting them.
• actual fix - allow jumping on focus guards; dont threat such jumps as long as long as __guards could be focused only via sequential keyboard navigation**.