breaking: updated fav dataset & rendering of fav datasets

chore: remove console
chore: added btn to collapse/expand layer browser

[skip ci] fix documentation

Co-authored-by: Xiao Gui <xgui3783@gmail.com>
Co-authored-by: fsdavid <daviti1@mail.com>

chore: updated privacy policy

chore: fixed draggable dataset preview

chore: added test to prevent regression

chore: implemented test to avoid regression

bugfix: mouseOver directive not capturing scanning region properly
feat: reworked region menu component
feat: introduced landmark component
chore: reworked spatial search endpoint