Fix vertical-align for add-reaction svg

[CirnoT]

Before:

After:

[silverwind]

Suggestion (also remove unneccesary float and line-height):

.repository .segment.reactions .select-reaction {
  display: flex;
  align-items: center;
  padding: .5rem;
}

.repository .segment.reactions .ui.label,
.repository .segment.reactions .ui.label.visible {
  padding: .5rem 1rem;
  display: flex;
  align-items: center;
}

.repository .segment.reactions .reaction-count {
  margin-left: .5rem;
}

Before:

After:

[CirnoT]

@silverwind Feel free to open new PR with your changes, a bit lost about what exactly you want to add, remove or change.

[silverwind]

#11496

[bagasme]

@CirnoT I don't see any visual differences here

[zeripath]

Closed by #11496