Outdent can cause unaligned indentation on Edit mode

Summary

Outdent can cause unaligned indentation on Edit mode

Steps to Reproduce

1. Create a Page
2. Create a Task then press Enter for a new line, input another task and repeat it again.
3. After that, hit 'Shift + Tab' or click the 'Outdent' icon on the top bar.

Expected Results

All tasks should be aligned on the same indentation.

Actual Results

The line that was outdented is using a different spacing.

Notes

Publishing the page actually makes the outdented line to lose its indentation.