fix: NoOp score not displayed for open changes

Score for NoBlock/NoOp category doesn't get displayed for open changes
on All --> Open or My --> Changes. For such category, none of the label
flags i.e. recommended, liked, approved or rejected flags are set for
open changes.

Further, abandoned and merged change display different images for same
score e.g. If a -1 has been assigned, Abandoned change displays a "X"
whereas a Merged change displays "-1". A Merged can be rejected for a
NoBlock or NoOp category type.

Bug: Issue 2056
Change-Id: I29cfa02f4a43ef6be1cb94614ed75b979a84f7af
(cherry picked from commit e88304abce3ceb9c7b93040363c4db3219459b0a)
1 file changed