Search results by phrase term contains extra text data that consumes extra memory

[andreysubbotin]

https://www.cuba-platform.ru/discuss/t/pohozhe-na-utechku-pamyati-v-fts-platform-7-0-6/3131/11

Environment

• Platform version: 6.*

  Description of the bug or enhancement

• Minimal reproducible example

• Expected behavior

• Actual behavior