filter out non-denominational temples if one is established

docs/changelog.txt

@@ -62,6 +62,7 @@ Template for new versions:
 ## Fixes
 - `stockpiles`: hide configure and help buttons when the overlay panel is minimized
 - `caravan`: price of vermin swarms correctly adjusted down. a stack of 10000 bees is worth 10, not 10000
+- `sort`: when filtering out already-established temples in the location assignment screen, also filter out the "No specific deity" option if a non-denominational temple has already been established
 
 ## Misc Improvements
 - `buildingplan`: display how many items are available on the planner panel

plugins/lua/sort/locationselector.lua

@@ -131,7 +131,6 @@ function LocationSelectorOverlay:get_cache()
 end
 
 function LocationSelectorOverlay:matches_temple_filter(id, flag)
-    if id == -1 then return true end
     local hide_established = self.subviews.hide_established:getOptionValue()
     return not hide_established or not safe_index(self:get_cache(), 'temple', flag, id)
 end