Click to move section is broken when moving section up

Moving UP doesn't work correctly at all.
Try 1: Click the drag and drop move icon of section 3. Click section 1. The section3 will go to section 2.

Try 2: Click the drag and drop move icon of section 3. Click section 2. The section3 will not move.

Moving sections down works as expected, except when a section has been drag'n drop moved.
Try 1: Click the drag and drop move icon of section 3. Click Section 1. Section 3 will go to Section 2. Now drag the new Section 3 to be Section 1.

The expected result would be
1 is 3
2 is 1
3 is 2.

Actual result:
1 is 2
2 is 1
3 is 3