fix(livesync): check node_modules for changes only with --sync-all-files

fixes #3710

Author: sis0k0

lib/services/project-changes-service.ts

@@ -70,11 +70,13 @@ export class ProjectChangesService implements IProjectChangesService {
 			const platformResourcesDir = path.join(projectData.appResourcesDirectoryPath, platformData.normalizedPlatformName);
 			this._changesInfo.appResourcesChanged = this.containsNewerFiles(platformResourcesDir, null, projectData);
 			/*done because currently all node_modules are traversed, a possible improvement could be traversing only the production dependencies*/
-			this._changesInfo.nativeChanged = this.containsNewerFiles(
-				path.join(projectData.projectDir, NODE_MODULES_FOLDER_NAME),
-				path.join(projectData.projectDir, NODE_MODULES_FOLDER_NAME, "tns-ios-inspector"),
-				projectData,
-				this.fileChangeRequiresBuild);
+			this._changesInfo.nativeChanged = projectChangesOptions.skipModulesNativeCheck ?
+        false :
+        this.containsNewerFiles(
+          path.join(projectData.projectDir, NODE_MODULES_FOLDER_NAME),
+          path.join(projectData.projectDir, NODE_MODULES_FOLDER_NAME, "tns-ios-inspector"),
+          projectData,
+          this.fileChangeRequiresBuild);
 
 			if (this._newFiles > 0 || this._changesInfo.nativeChanged) {
 				this._changesInfo.modulesChanged = true;