Notebooks: Use new Python installation after configuration change (#14765)

* start new jupyter server

* restart session working (removed extra code)

* only restart server once

* shutdown session first then stop server

* add comments remove extra lines

* add comment

* fix test

* only restart jupyter sessions

* Dispose jupytersessionmanager and create new one

* move restart server logic out of notebookmodel

* move methods to azdata proposed

* pr comment

src/sql/workbench/api/browser/mainThreadNotebook.ts

@@ -255,6 +255,14 @@ class SessionManagerWrapper implements azdata.nb.SessionManager {
 			this._specs = specs;
 		}
 	}
+
+	shutdownAll(): Thenable<void> {
+		return this._proxy.ext.$shutdownAll(this.managerHandle);
+	}
+
+	dispose(): void {
+		return this._proxy.ext.$dispose(this.managerHandle);
+	}
 }
 
 class SessionWrapper implements azdata.nb.ISession {

src/sql/workbench/api/common/extHostNotebook.ts

@@ -126,6 +126,12 @@ export class ExtHostNotebook implements ExtHostNotebookShape {
 		});
 	}
 
+	$shutdownAll(managerHandle: number): Thenable<void> {
+		return this._withSessionManager(managerHandle, async (sessionManager) => {
+			return sessionManager.shutdownAll();
+		});
+	}
+
 	$changeKernel(sessionId: number, kernelInfo: azdata.nb.IKernelSpec): Thenable<INotebookKernelDetails> {
 		let session = this._getAdapter<azdata.nb.ISession>(sessionId);
 		return session.changeKernel(kernelInfo).then(kernel => this.saveKernel(kernel));
@@ -207,6 +213,12 @@ export class ExtHostNotebook implements ExtHostNotebookShape {
 		future.dispose();
 	}
 
+	$dispose(managerHandle: number): Thenable<void> {
+		return this._withSessionManager(managerHandle, async (sessionManager) => {
+			return sessionManager.dispose();
+		});
+	}
+
 	//#endregion
 
 	//#region APIs called by extensions

src/sql/workbench/api/common/sqlExtHost.protocol.ts

@@ -870,6 +870,8 @@ export interface ExtHostNotebookShape {
 	$refreshSpecs(managerHandle: number): Thenable<azdata.nb.IAllKernels>;
 	$startNewSession(managerHandle: number, options: azdata.nb.ISessionOptions): Thenable<INotebookSessionDetails>;
 	$shutdownSession(managerHandle: number, sessionId: string): Thenable<void>;
+	$shutdownAll(managerHandle: number): Thenable<void>;
+	$dispose(managerHandle: number): void;
 
 	// Session APIs
 	$changeKernel(sessionId: number, kernelInfo: azdata.nb.IKernelSpec): Thenable<INotebookKernelDetails>;