[iOS] Heading styles are applied to the last paragraph if any text has been modified #304
Description
Describe the bug
If we set the default value like:
<html>
<h1>Test</h1>
<ul>
<li>Test</li>
<li>Test</li>
</ul>
<p>Test</p>
<p>Test</p>
</html>
And type any text at the end, it will apply heading styles to the last paragraph
To Reproduce
Steps to reproduce the behavior:
- Copy and set the defaultValue like:
<html>
<h1>Test</h1>
<ul>
<li>Test</li>
<li>Test</li>
</ul>
<p>Test</p>
<p>Test</p>
</html>
- Focus on the text view at the end
- Type any text
- Observe that the text became a heading
Expected behavior
- It should not apply heading styles for the latest paragraph if we didn't trigger it manually
Screenshots
Screen.Recording.2025-12-06.at.17.35.35.mov
Device (please complete the following information):
- Device: [e.g. iPhone6]
- OS: [e.g. iOS8.1]
- Version [e.g. 22]
Additional context
Add any other context about the problem here.