Add prompt to save multi-root workspace choice to cwd

So it's not just automatic, but can be done easily (and is an
appropriate value to sync with workspace settings).

Author: andyleejordan

src/logging.ts

@@ -100,8 +100,8 @@ export class Logger implements ILogger {
     public async writeAndShowInformation(message: string, ...additionalMessages: string[]): Promise<void> {
         this.write(message, ...additionalMessages);
 
-        const selection = await vscode.window.showInformationMessage(message, "Show Logs");
-        if (selection !== undefined) {
+        const selection = await vscode.window.showInformationMessage(message, "Show Logs", "Okay");
+        if (selection === "Show Logs") {
             this.showLogPanel();
         }
     }

src/session.ts

@@ -469,7 +469,7 @@ export class SessionManager implements Middleware {
         this.logger.updateLogLevel(settings.developer.editorServicesLogLevel);
 
         // Detect any setting changes that would affect the session.
-        if (!this.suppressRestartPrompt &&
+        if (!this.suppressRestartPrompt && this.sessionStatus === SessionStatus.Running &&
             (settings.cwd.toLowerCase() !== this.sessionSettings.cwd.toLowerCase()
                 || settings.powerShellDefaultVersion.toLowerCase() !== this.sessionSettings.powerShellDefaultVersion.toLowerCase()
                 || settings.developer.editorServicesLogLevel.toLowerCase() !== this.sessionSettings.developer.editorServicesLogLevel.toLowerCase()

src/settings.ts

@@ -240,6 +240,14 @@ export async function getChosenWorkspace(logger: ILogger | undefined): Promise<v
         logger?.writeVerbose(`User selected workspace: '${chosenWorkspace?.name}'`);
         if (chosenWorkspace === undefined) {
             chosenWorkspace = vscode.workspace.workspaceFolders[0];
+        } else {
+            const response = await vscode.window.showInformationMessage(
+                `Would you like to save this choice by setting this workspace's 'powershell.cwd' value to '${chosenWorkspace.name}'?`,
+                "Yes", "No");
+
+            if (response === "Yes") {
+                await changeSetting("cwd", chosenWorkspace.name, vscode.ConfigurationTarget.Workspace, logger);
+            }
         }
     }