Describe the bug
On Android only, new lines with out trailing whitespace on Pullquotes use <br> to separate the lines when it should use a <p> tag

To Reproduce
Steps to reproduce the behavior:

1. Add a new Pullquote block
2. Start typing and make sure there are no trailing whitespace characters
3. Press enter to create a new line
4. Add a second line of text
5. Switch to HTML view and note that the lines are split by a <br> tag
6. Add a new Pullquite block
7. Start typing and add trailing whitespace
8. Press enter to create a new line
9. Add a second line of text
10. Switch to HTML view and note that the lines are split with <p> tags

Expected behavior
Multiple lines in a Pullquote without trailing whitespace should be split by <p> tags

Screenshots

Smartphone (please complete the following information):

• Device: Pixel 5
• OS: Android 11
• Version 16.4-rc-3