Option --find-renames doesn't work for --output=dyff

[lucasfcnunes]

diff

--output diff --find-renames=0
x has been removed.
y has been added.

vs (when --find-renames=0.2)
x has changed.

simple

--output simple --find-renames=0
x to be removed.
y to be added.
Plan: 1 to add, 0 to change, 1 to destroy.

vs (when --find-renames=0.2)
x to be changed.
Plan: 0 to add, 1 to change, 0 to destroy.

dyff (issue)

--output dyff --find-renames=0
- one document removed:
⇆ order changed
x y

vs (when --find-renames=0.2)
* same as above * <= MY ISSUE - I expected something like simple and diff but in dyff format

[yxxhero]

@lucasfcnunes PR is welcome.