HTML file not properly converted to docx

[Bulletura]

This issue is unique.

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Operating System

Linux (DEB package)

Version information

8.2.1

Expected Behavior

When i open an .html file, i should not see HTML tags but only formatted text

Actual Behavior

When i open an .html file, i see the full html code

Reproduction Steps

1) Creating html file with this content :

<div>
  <h2>HEADER TEST</h2>
  <p>Test</p>
</div>

2) Open it with OnlyOffice

Somehow if there is some text before the 'div' tag, it work fine :

test
<div>
  <h2>HEADER TEST</h2>
  <p>Test</p>
</div>

Additional information

No response