* wip
* make connection work with strict-nulls
* change comments
* fix tests; remove unneeded type forcing
* address feedback
* adjust the logic of query editor
* clean up typing
* extension recommendation on application launch
* Introducing Visualizer (SandDance) to the SQL Query Editor. (#6347)
* Created Visualizer icon in the results grid. Utilized a context key so that the icon only shows if Visualizer extensions (currently, just SandDance) is installed. Visualizer icon open up SandDance in a top-level document.
* When the user clicks on Charts, visualizer recommendation popup appears. User can click on "Install Extensions" to download the visualizer extensions.
* Enabled SQL Query Editor to pass query data to SandDance extension.
* Introducing Visualizer (SandDance) to the SQL Query Editor. (#6347)
* Created Visualizer icon in the results grid. Utilized a context key so that the icon only shows if Visualizer extensions (currently, just SandDance) is installed. Visualizer icon open up SandDance in a top-level document.
* When the user clicks on Charts, visualizer recommendation popup appears. User can click on "Install Extensions" to download the visualizer extensions.
* Enabled SQL Query Editor to pass query data to SandDance extension.
* Cleaned code; made changes according to PR comments
* removed the test service for extensions gallary
* Cleaned up code according to PR changes
* unid changes to build/azure-piplines
* Removed all the build/azure-pipelines changes
* removed changes on media/language.svg
* refactored extension recommendation system to allow it to be generic
* updated extensionsViews to support generic extension query search; added localized constants for visualizer extensions
* Made syntax and error message changes acccording to PR comments.
* Updated recommendation message according to scenario type
