bump less submodule to v1.7.0
upgrade less to 1.7.0
turn on less building. sigh. sad times ahead.
fix nav bar should be light on dark
fix navbar split across multiple lines
fix gap in the dashboard groups
tweak font size to match old admin
rebuild less
Revert "turn on less building. sigh. sad times ahead."

This reverts commit a3212bc21cab70a64b27cc1cfdb08da83ab8b93f.