DEFAULT_TILE_SIZE is not parsed to print module

[christianbraun]

Expected Behavior

Printing of external WMS services should take into account DEFAULT_TILE_SIZE parameter. External services which are requiring a specific tile size to work should be printable

Actual Behavior

Printing fails to draw external WMS layer because wrong tile size request. Drawing is working on normal map view, even in print preview.

Steps to Reproduce the Problem

1. load an external layer which requires DEFAULT_TILE_SIZE set to something else than default
2. try to print the layer

Specifications

• GeoNode version: 4.1
• Installation type (vanilla, geonode-project): project
• Installation method (manual, docker): docker
• Platform: Ubuntu