Adds logic for color coding new culvert category (_is_upstream_non_culvertbarrier) to dark pink.
Adds a legend to the map and required styling. The legend disappears when the user does a custom Explore/Suggest query that generates a histogram/ scatterplot with its own legend.
Testing:
Since I'm waiting on culverts_opt code to regenerate the inputs so the new column is available, I tested this locally using the pre-existing column _first_onshared as an arbitrary stand-in. I'll keep this PR marked as [DO-NOT-MERGE] until I can upload the new welcome_map_points.rda file that will contain the new _is_upstream_non_culvertbarrier column.
Updates:
Testing:
Since I'm waiting on culverts_opt code to regenerate the inputs so the new column is available, I tested this locally using the pre-existing column _first_onshared as an arbitrary stand-in. I'll keep this PR marked as [DO-NOT-MERGE] until I can upload the new welcome_map_points.rda file that will contain the new _is_upstream_non_culvertbarrier column.
Video of functionality: https://drive.google.com/file/d/1766t18e_-k4-MnFfUpvAzibLxLidWnLC/view?usp=sharing
Notes:
I recommend viewing the changes in this PR while hiding whitespace changes.