Merge pull request #4792 from NativeScript/tachev/fix-clean-generated-files

fix: set the proper root for the auto-generated files glob matching

Author: rosen-vladimirov

lib/controllers/migrate-controller.ts

@@ -165,7 +165,7 @@ export class MigrateController extends UpdateControllerBase implements IMigrateC
 			matchBase: true,
 			nodir: true,
 			absolute: false,
-			root: projectData.appDirectoryPath
+			cwd: projectData.appDirectoryPath
 		};
 
 		const jsFiles = glob.sync("*.@(js|ts|js.map)", globOptions);
@@ -176,7 +176,7 @@ export class MigrateController extends UpdateControllerBase implements IMigrateC
 
 		const allGeneratedFiles = autoGeneratedJsFiles.concat(autoGeneratedJsMapFiles).concat(autoGeneratedCssFiles);
 		for (const generatedFile of allGeneratedFiles) {
-			const sourceFile = path.join(projectData.projectDir, generatedFile);
+			const sourceFile = path.join(projectData.appDirectoryPath, generatedFile);
 			const destinationFile = path.join(backupDir, generatedFile);
 			const destinationFileDir = path.dirname(destinationFile);
 			this.$fs.ensureDirectoryExists(destinationFileDir);