create cwd detection and update it when command detection is deserialized (microsoft#239238)

Author: meganrogge

src/vs/platform/terminal/common/xterm/shellIntegrationAddon.ts

@@ -659,7 +659,12 @@ export class ShellIntegrationAddon extends Disposable implements IShellIntegrati
 		if (!this._terminal) {
 			throw new Error('Cannot restore commands before addon is activated');
 		}
-		this._createOrGetCommandDetection(this._terminal).deserialize(serialized);
+		const commandDetection = this._createOrGetCommandDetection(this._terminal);
+		commandDetection.deserialize(serialized);
+		if (commandDetection.cwd) {
+			// Cwd gets set when the command is deserialized, so we need to update it here
+			this._updateCwd(commandDetection.cwd);
+		}
 	}
 
 	protected _createOrGetCwdDetection(): ICwdDetectionCapability {