Close mongo and casssandra terminal tabs once the shells are exited (#1183)

* initial commit for closing terminal

* added extra case

* lint changes and hostee explorer fixes

* fixed lint errors

* fixed compile error

* fixed review comments

src/Terminal/TerminalProps.ts

@@ -10,4 +10,5 @@ export interface TerminalProps {
   authType: AuthType;
   apiType: ApiType;
   subscriptionId: string;
+  tabId: string;
 }