OK button in read-only mode in Table filter editor

[Former user]

Original [issue 85](https://code.google.com/p/okapi/issues/detail?id=85) created by @ysavourel on 2009-07-08T11:44:51.000Z:

The OK button is enabled when opening the editor in read-only mode. Wouldn't it be better to simply disable it rather have user think they can save until they press OK?

[Former user]

Comment [1.](https://code.google.com/p/okapi/issues/detail?id=85#c1) originally posted by @ysavourel on 2009-07-20T10:49:02.000Z: