NestedFolders: Virtual tree view (#66102)

* poc for virtual tree

* remove my silly debug stuff

* wip

* style table

* improve styles

* fix

* start to split tree into seperate component

* cleanup unused function

* split into more components

* more better

* secondary color type column

* simple tests for DashboardsTree

* restore styles from dodgy rebase

* remove my weirdo text component thing

public/app/features/search/page/components/SearchView.tsx

@@ -115,7 +115,7 @@ export const SearchView = ({ showManage, folderDTO, hidePseudoFolders, keyboardE
     }
 
     return (
-      <div style={{ height: '100%', width: '100%' }}>
+      <div style={{ content: 'auto-sizer-wrapper', height: '100%', width: '100%' }}>
         <AutoSizer>
           {({ width, height }) => {
             const props: SearchResultsProps = {