[Search Git Status] exclude git status code from fzf search scope

Exclude status codes to avoid false matches, e.g. if typing in d, then
all deleted files get matched. Additionally, the status code changes
color when highlighted so can be confusing.

Author: PatrickF1

functions/_fzf_search_git_status.fish

@@ -10,6 +10,7 @@ function _fzf_search_git_status --description "Search the output of git status.
                 --prompt="Search Git Status> " \
                 --query=(commandline --current-token) \
                 --preview='_fzf_preview_changed_file {}' \
+                --nth="2.." \
                 $fzf_git_status_opts
         )
         if test $status -eq 0