Compute the next share list for the per-row quick-toggle button when there is a single share target. Toggling preserves out-of-room shares: turning sharing off removes only target, turning it on adds target to the existing preserved entries.
target
Compute the next share list for the per-row quick-toggle button when there is a single share target. Toggling preserves out-of-room shares: turning sharing off removes only
target, turning it on addstargetto the existing preserved entries.