fix lodash imports (#78456)

Author: mshustov

packages/kbn-std/src/merge.ts

@@ -16,9 +16,7 @@
  * specific language governing permissions and limitations
  * under the License.
  */
-// Prefer importing entire lodash library, e.g. import { get } from "lodash"
-// eslint-disable-next-line no-restricted-imports
-import isPlainObject from 'lodash/isPlainObject';
+import { isPlainObject } from 'lodash';
 /**
  * Deeply merges two objects, omitting undefined values, and not deeply merging Arrays.
  *

x-pack/plugins/licensing/public/services/feature_usage_service.ts

@@ -4,9 +4,7 @@
  * you may not use this file except in compliance with the Elastic License.
  */
 
-// Prefer importing entire lodash library, e.g. import { get } from "lodash"
-// eslint-disable-next-line no-restricted-imports
-import isDate from 'lodash/isDate';
+import { isDate } from 'lodash';
 import type { HttpSetup, HttpStart } from 'src/core/public';
 import { LicenseType } from '../../common/types';