Superscalars (#8383)

* add :insights to query response

* add last-value to timeseries

* hook up to viz settings

* tweak position

* add SmartScalar to LineAreaBarChart

* lint

* tweak colors and last value style

* Add :previous-value

* show previous value

* add granularity to labels

* proper % change

* smart scalar vis

* return a nil fingerprinter if no insight applies

* responsive dash card layout

* handle flex wrap

* simplify

* past > last

* Correctly handle questions with datatime units

* Add smartsclars to xrays

* Rename SmartScalar -> smartscalar

* Remove unneeded requires

* Update tests [ci all]

* add basic smart scalar viz settings

* More tests

* use column settings for formatting

* only use aggregation column

* icon

* add NoBreakoutError and use for SmartScalar

* init sync styles

* Remove unneeded requires

* silly linter workaround

* remove unused file

* add visualization click to smart scalar

* tweak title and smart value placement on dashboards

* add arrow

* more styling tweaks

* only show comparison value in fullscreen

* fullscreen change tweaks

* fullscreen night mode text

* fullscreen card color

* play down fullscreen change

* scalar titles

* lint and font fixes

* fix tests

* fix down arrow

* actionButtons

* fix alignment

* proper drill through

* pass all data to isSensible

* check for insights

* lint fix

* use destructured data object for scalar isSensible (whoops)

* move night mode colors to colors.css

* Support :year aggregation

* Use :unit to determine step whene possible

* Don't normalize linear function

* CR cleanup

* tweak scalar size at different breakpoints

* Add a missing docstring to `metabase.util.date/date-trunc-units`