Update Integrate Terminal panel ID

Author: gregvanl

release-notes/v1_28.md

@@ -118,10 +118,10 @@ For example, for Output panel:
 
 The list of panel identifiers is:
 
-* `workbench.panel.terminal`
-* `workbench.panel.markers`
-* `workbench.panel.output`
-* `workbench.panel.repl`
+* `terminal` - Integrated Terminal
+* `workbench.panel.markers` - Problems panel
+* `workbench.panel.output` - Output panel
+* `workbench.panel.repl` - Debug Console panel
 
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