Garbage alse Block when extending if then else if

[MKleinSB]

Describe the bug
If you use an double extended else if statement with boolean expression filled in, undraggable/undeletable else appear

To Reproduce

build the following:

klick on + and drag the on start block away. You will see that behind it an undraggable False appear.

Windows 11 with actual Edge and Firefox

[martinwork]

Related: #5984 It seems fixed in beta. As a workaround, refreshing the page makes the unwanted block draggable.

[riknoll]

yup, i already made a fix for this!

i'll make sure this makes it into the next hotfix we release. for now i'll leave the issue open to prevent further duplicates.