Show only people who have assigned merge requests in assignee dropdown

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

app/controllers/projects/issues_controller.rb

@@ -28,7 +28,6 @@ class Projects::IssuesController < Projects::ApplicationController
     @milestone = @project.milestones.find(milestone_id) if milestone_id.present? && !milestone_id.to_i.zero?
     sort_param = params[:sort] || 'newest'
     @sort = sort_param.humanize unless sort_param.empty?
-
     @assignees = User.where(id: @project.issues.pluck(:assignee_id))
 
     respond_to do |format|

app/controllers/projects/merge_requests_controller.rb

@@ -28,6 +28,7 @@ class Projects::MergeRequestsController < Projects::ApplicationController
     assignee_id, milestone_id = params[:assignee_id], params[:milestone_id]
     @assignee = @project.team.find(assignee_id) if assignee_id.present? && !assignee_id.to_i.zero?
     @milestone = @project.milestones.find(milestone_id) if milestone_id.present? && !milestone_id.to_i.zero?
+    @assignees = User.where(id: @project.merge_requests.pluck(:assignee_id))
   end
 
   def show

app/views/projects/merge_requests/index.html.haml

@@ -31,7 +31,7 @@
                   Any
                 = link_to project_filter_path(assignee_id: 0) do
                   Unassigned
-              - @project.team.members.sort_by(&:name).each do |user|
+              - @assignees.sort_by(&:name).each do |user|
                 %li
                   = link_to project_filter_path(assignee_id: user.id) do
                     = image_tag avatar_icon(user.email), class: "avatar s16", alt: ''