"Make top priority" means two different things in buildingplan vs prioritize overlays #5955

Two controls on the building info sheet share the label "make top priority" but do unrelated things:

• buildingplan's inspector overlay (Ctrl+T, shown while a building waits for items) bumps the building's item-matching tasks to the front of buildingplan's queues — i.e. "get materials delivered first".
• prioritize's enroute overlay (Ctrl+T, shown once the construction job is active) toggles job.flags.do_now — i.e. "dwarves should build this before other work".

They appear on the same screen at different lifecycle phases, so users will reasonably assume the same label means the same action. Renaming one of them (e.g. buildingplan's to something like "prioritize materials", or prioritize's to "do job now" to match the flag) would remove the ambiguity.

Surfaced while working on #2353.