[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

hauling-route-search-filter.lua

@@ -279,7 +279,7 @@ end
 
 function HaulingRouteFilterOverlay:overlay_onenable()
     if not self then return end
-	local filter = self.subviews.filter
+    local filter = self.subviews.filter
     if filter then
         filter:setFocus(false)
     end