[Android] Text caret is wrongly displayed when deleting a space between paragraphs

[Softvision-AndreeaCupsa]

[Affected Platforms]:

• Pixel (Android 8.0.0)
• HTC Desire 820 (Android 6.0.1)

[Prerequisites]:

• Have the latest version of the "Firefox Notes" application (notes-1_0-qa-v2046) installed.
• Have a note that contains text on several paragraphs.

[Steps to reproduce]:

1. Open the Notes application and log in if needed.
2. Tap on the note from the prerequisites.
3. Place the text caret at the beginning of a paragraph and tap the backspace key.

[Expected result]:

• The space between the paragraph is deleted and the text caret is correctly displayed.

[Actual result]:

• The space between the paragraph is deleted but the text caret is wrongly displayed.

[Notes]:

• This issue is not reproducible on Samsung S8 (Android 8.0.0) and Huawei P8 Lite (Android 6.0)
• If you delete a space between paragraph when creating a note, the text caret changes its position but the space is not deleted.
• Attached a screen recording of the issue: