1. Upgrade match-sorter from 4.1.0 to 6.1.0
2. Add a debounce delay of 200 milliseconds to reduce excessive rendering (and searching)
3. Set keepDiacritics to true to improve performance
4. Display count of filtered results in "Showing x of xx", instead of the total results
5. Rank certified metrics to the top

* Implement resizable panels on explore view

* Optimize chart rendering while resizing

* Make dataset column narrower
Co-authored-by: NEvan Rusackas <evan@preset.io>

* Closes #12233

* Remove accordion and set both sections open

* update search to use matchSorter

* remove conosles

* update to datsource tab

* second update

* style updates

* update style and fix metrics bug

* updates to datsource panel

* backgrounds and borders

* more updates

* shuffling some paddings around

* more updates

* moving some more paddings around!

* Fixing sidebar width

* using Global to adjust body layout

* update test and fix bug

* removing hotkeys

* layout fixes for short content, simplifying some class names

* more styles

* add tooltip to collapse and div clickable

* more updates

* more updates for styles and add list component

* update from comments

* vising cosmetic issue with line-wrapping drop down caret on controls sections

* controls area scrolling properly again.

* change lists to old list and updates from comments

* border radius from theme

* add length field and updates from comments

* more changes from comments

* integrate health with new control

* change callapse back from stylsheet more udpates

* substitution string

* more substitution strings

* fix tests

* datasource alignment

* taking margin off the search input

* update input to flex

* fix lint

* adjusting column/metric label stylng

* fixing scrollable area layout, one more color variable

* simplifying some styles

* nixing a bad left margin

* Using gridunit for padding

* using gridUnit for padding

* define types for datsource panel

* fixing a padding issue
Co-authored-by: NEvan Rusackas <evan@preset.io>