Java docs with plain text are rendered incorrectly #1078

Description

Java docs with plain text are rendered incorrectly.

To Reproduce

1. Run UTBotJava project in IntelliJ Idea 2022.1.4
2. Set Java doc style to "Plain text"
3. Open utbot-sample/src/main/java/org/utbot/examples/algorithms/ArraysQuickSort.java
4. Use plugin to generate tests - one of the latest builds from main
5. Open the generated test

Expected behavior

Information in Java docs is supposed to be correctly displayed in rendered mode.

Actual behavior

Java docs are displayed as one blank string in rendered mode.

Visual proofs (screenshots, logs, images)

Environment

WIndows 10 Pro
IntelliJ IDEA 2022.1.4

Additional context

Also reproducing in IDEA 2022.2.2 - with plugin from #1067

Also applicable for UtUtils class methods Java docs:

Originally posted by @alisevych in #1068 (comment)