Add git reset to origin alias to git plugin (#7630)

plugins/git/git.plugin.zsh

@@ -220,6 +220,7 @@ alias grbm='git rebase master'
 alias grbs='git rebase --skip'
 alias grh='git reset'
 alias grhh='git reset --hard'
+alias groh='git reset origin/$(git_current_branch) --hard'
 alias grm='git rm'
 alias grmc='git rm --cached'
 alias grmv='git remote rename'