Allow grouping bar chart series into "Other" category (#48265)

* Add `graph.max_categories` viz setting

* Allow grouping series into "other" category

* Add tooltip

* Toggle "other" series visibility

* WIP: new implementation for `graph.series_order`

* Remove not used function

* Make "other" series a regular `SeriesModel`

* Fix stacked bar charts

* Remove colors from "other" tooltip

* Sort "other" tooltip values

* Update `graph.max_categories` setting

- negative number validation
- 0 value turns off grouping

* Fix Loki test

* Add basic loki test

* Add loki test for stacked chart

* Add loki test for stacked normalized chart

* slight refactor of series_order setting

* Add screenshots

* Handle different kinds of aggregations for "other"

* Handle different aggregation kinds in tooltips

* Add `graph.other_series_aggregation_fn` viz setting

* Fix type errors

* Fix unit tests

* settings ui

* remove sorting by value to match series order setting, other color

* hide grouped series controls

* Add e2e test

* Update screenshots

* Fix incorrect series grouping for stacked charts

* group series into other settings

* Update e2e test to work with new viz settings

* Disable drills for the "Other" series

* fix max_categories setting popover positioning

* fix total row has misaligned columns on other series values

* Remove redundant `click({ force: true })`

* Rename aggregation fn viz setting

* Move aggregation fn setting to the popover

* WIP

* Update popover

* Fix `it.only`

* Fix legend sync issue

* Disable "Other" category by default (temporary)

* Enable aggregation fn picker for MBQL queries (temporary)

* Move "Other" category summary to a tooltip row

* Add `graph.max_categories_enabled` to viz settings type

* Reuse already computed "Other" value in tooltips

* Add null check

* Fix series length check

---------

Co-authored-by: Aleksandr Lesnenko <alxnddr@gmail.com>