Add session templates to profiler (#2115)

* Initial support for handling available sessions

* Displaying sessions in drop down, send session name in start profiling request

* More support for starting existing sessions

* New session dialog and session templates in user files

* Create profiler dialog and session templates

* Preliminary session template changes

* Saving some changes

* Send session templates when creating sessions

* Saving changes

* UI Fixes for dialog

* Formatting fixes

* removing comments

* Fixing PR comments

* bumping toolsservice and dataprotocolclient versions

* Fixing starting existing sessions

src/sql/base/browser/ui/taskbar/media/icons.css

@@ -18,6 +18,12 @@
 	background-image: url('start.svg');
 }
 
+.vs .icon.add,
+.vs-dark .icon.add,
+.hc-black .icon.add {
+	background-image: url('add.svg');
+}
+
 .vs .icon.stop,
 .vs-dark .icon.stop,
 .hc-black .icon.stop {