“Push” is to “pushable” as “enable”/"disable" are to what?
If you can push something you could say it is pushable. What do you say about something which you can enable and about something which you can disable?
Solution 1:
Going way back to one of the earliest machine parts designs, you have the toggle switch, which gives rise nicely to the intransitive verb usage of toggle
To alternate between two or more electronic, mechanical, or computer-related options, usually by the operation of a single switch or keystroke: toggled back and forth between two windows on the screen.
This has a past-tense toggled and a present tense toggleing and apparently an adjective form togglable or toggleable
1. Able to be toggled.
That button is togglable.
(And no, I did not add that to Wiktionary just now.)
A toggle is generally recognized as being a binary condition, one or the other. I think it is a nice fit for capable of being enabled and disabled.
You could also use switchable, but it does not have as strong of a connotation for binary states and would cause more confusion.