For #87972

For #87972

* fix parsed JSDoc author tag

* fix author tag

Converts cover the was relying on the old signature to either use delete or have the correct types

Flush all buffered data events on terminal close

Fix #84145 when toggling terminal pane

We want more testing of the TS nightly bits

`.color` is no longer nullable. Use an empty string instead of null

Fixes file drag and drop does not open the explorer pane

show status bar message when save participants fail and link message to corresponding setting, #87449

Previously we would fire a wrong active-editor-change-event when more than one group is opened and the user clicks into an inactive editor of the inactive group because we would first activate the group and then open the editor.