Refactor chart viewer (#2381)

* working on adding charts

* working on chart options

* adding image and table insight

* add chart viewing and handle a bunch of small bugs

* formatting

* remove unused code

src/sql/base/browser/ui/panel/media/panel.css

@@ -142,3 +142,8 @@ panel {
 .visibility.hidden {
 	visibility: hidden;
 }
+
+.tabBody {
+	width: 100%;
+	height: 100%;
+}