ADDON_ACTION_BLOCKED when scrolling a filtered list, then going to new search

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Steps to reproduce

1. Open a premade group search with an active PGF filter
2. Scroll the list
3. Click the back button and select a different category (e.g. go from quests to dungeons)
4. ADDON_ACTION_BLOCKED will prevent searching, the Searching... spinner is loading forever
5. Every time you select a new search category, the error will prevent searching

Workaround

Click the reload button in the upper right corner of the premade groups UI.

Error message

2x [ADDON_ACTION_BLOCKED] AddOn 'PremadeGroupsFilter' hat versucht die geschützte 
Funktion 'Search()' aufzurufen.
!BugGrabber\BugGrabber.lua:573: in function <!BugGrabber\BugGrabber.lua:573>
[C]: in function `Search'
FrameXML\LFGList.lua:1708: in function `LFGListSearchPanel_DoSearch'
FrameXML\LFGList.lua:553: in function `LFGListCategorySelection_StartFindGroup'
FrameXML\LFGList.lua:543: in function <FrameXML\LFGList.lua:536>

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Resolved by Blizzard