References #2520: Fixed two race conditions and added appropriate model clean up to prevent issues when loading filter state.

(cherry picked from commit 35ee6be501814d1076a5e9c7a5aadfccb8e1693b)
References #2520: Fixed issue where loaded filters do not apply automatically.

(cherry picked from commit d3694f959914c7499ff094b7e2be78b4b079658f)