chore: handling ie syntax error

feat: introducing other color maps than jet

chore: slight tweak on how shader generation

This reverts commit 3ae1fda1.

chore: allow png preview

update waxholm v4 hierarchy

Chore waxholmv4

chore: streamlined dataset action btns

Bugfix: dataset preview now URL encoded, refactor of data module & widget module

fixes #502

Restore download of dataset preview

Show tooltip on region menu exploring templates

Fix #520 - region menu title dataset status

chore: added toggle axis in user doc
chore: updated big brain origin dataset
bugfix: encode uri for dataset preview

chore: sort modal filter alphabetically

bugfix: using layer control does not reset color map

chore: use constant for aria labels

v2.2.0

fix: minor fix of backend_url logic