* Refactor tooltip in ColumnElement
* Refactor tooltip for Button
* Remove redundant import
* Refactor tooltip in SqlEditor
* Increase line height in tooltip so that the text is centered
* Refactor tooltip in Link
* Refactor tooltip in AdhocMetricEditPopoverTitle
* Refactor tooltip from ControlHeader
* Refactor tooltip in DateFilterControl
* Refactor tooltip in VizTypeControl
* fixup! Refactor tooltip in AdhocMetricEditPopoverTitle
* Refactor tooltip in QueryAndSaveBtns
* fixup! Refactor tooltip in DateFilterControl
* Refactor tooltip in CopyToClipboard, fix cursor pointer
* Refactor tooltip in TooltipWrapper
* Refactor tooltip in Field/DatasourceEditor
* Remove redundant import
* Fix typing for placement prop
* Decrease margin in ColumnElement divider
* Change default export to named
* Move SqlLab Tooltip styles to Emotion
* Fix tests