Revert "use extent instead of worlextent to check if a bbox is contained in a projection"

This reverts commit 61b771ec33d3a27f6e10cbdc4250a7de67201133.
Merge remote-tracking branch 'fgravin/search-map' into search-map
MONKEY PATCH: add necessary nesting for tags overflow
Add gn_typeahead directive for multiselect