Use group_type? where possible during transition period

app/services/ci/register_job_service.rb

@@ -17,7 +17,7 @@ module Ci
       builds =
         if runner.shared?
           builds_for_shared_runner
-        elsif runner.assigned_to_group?
+        elsif runner.group_type?
           builds_for_group_runner
         else
           builds_for_project_runner

app/views/admin/runners/_runner.html.haml

@@ -2,7 +2,7 @@
   %td
     - if runner.shared?
       %span.label.label-success shared
-    - elsif runner.assigned_to_group?
+    - elsif runner.group_type?
       %span.label.label-success group
     - else
       %span.label.label-info specific
@@ -21,7 +21,7 @@
   %td
     = runner.ip_address
   %td
-    - if runner.shared? || runner.assigned_to_group?
+    - if runner.shared? || runner.group_type?
       n/a
     - else
       = runner.projects.count(:all)

app/views/admin/runners/show.html.haml

@@ -19,7 +19,7 @@
     %p
       If you want Runners to build only specific projects, enable them in the table below.
       Keep in mind that this is a one way transition.
-- elsif @runner.assigned_to_group?
+- elsif @runner.group_type?
   .bs-callout.bs-callout-success
     %h4 This runner will process jobs from all projects in its group and subgroups
 - else

spec/services/ci/register_job_service_spec.rb

@@ -8,7 +8,7 @@ module Ci
     let!(:pending_job) { create :ci_build, pipeline: pipeline }
     let!(:shared_runner) { create :ci_runner, is_shared: true }
     let!(:specific_runner) { create :ci_runner, is_shared: false }
-    let!(:group_runner) { create :ci_runner, groups: [group] }
+    let!(:group_runner) { create :ci_runner, groups: [group], runner_type: :group_type }
 
     before do
       specific_runner.assign_to(project)