Remove iteration quick actions

ee/app/models/ee/issue.rb

@@ -137,6 +137,10 @@ module EE
       !incident?
     end
 
+    def supports_iterations?
+      !incident?
+    end
+
     def can_assign_epic?(user)
       user&.can?(:admin_epic, project.group)
     end

ee/lib/ee/gitlab/quick_actions/issue_actions.rb

@@ -96,7 +96,8 @@ module EE
           params '*iteration:"iteration name"'
           types Issue
           condition do
-            current_user.can?(:"admin_#{quick_action_target.to_ability_name}", project) &&
+            quick_action_target.supports_iterations? &&
+              current_user.can?(:"admin_#{quick_action_target.to_ability_name}", project) &&
               quick_action_target.project.group&.feature_available?(:iterations) &&
               find_iterations(project, state: 'active').any?
           end
@@ -117,7 +118,8 @@ module EE
           end
           types Issue
           condition do
-            quick_action_target.persisted? &&
+            quick_action_target.supports_iterations? &&
+              quick_action_target.persisted? &&
               quick_action_target.sprint_id? &&
               quick_action_target.project.group&.feature_available?(:iterations) &&
               current_user.can?(:"admin_#{quick_action_target.to_ability_name}", project)

ee/spec/models/issue_spec.rb

@@ -739,4 +739,24 @@ RSpec.describe Issue do
       end
     end
   end
+
+  describe '#supports_iterations?' do
+    let(:group) { build_stubbed(:group) }
+    let(:project_with_group) { build_stubbed(:project, group: group) }
+
+    where(:issuable_type, :project, :supports_iterations) do
+      [
+        [:issue, :project_with_group, true],
+        [:incident, :project_with_group, false]
+      ]
+    end
+
+    with_them do
+      let(:issue) { build_stubbed(issuable_type, project: send(project)) }
+
+      subject { issue.supports_iterations? }
+
+      it { is_expected.to eq(supports_iterations) }
+    end
+  end
 end

ee/spec/services/quick_actions/interpret_service_spec.rb

@@ -272,6 +272,16 @@ RSpec.describe QuickActions::InterpretService do
           expect(updates).to be_empty
         end
       end
+
+      context 'when issuable does not support iterations' do
+        it 'does not assign an iteration to an incident' do
+          incident = create(:incident, project: project)
+
+          _, updates = service.execute(content, incident)
+
+          expect(updates).to be_empty
+        end
+      end
     end
 
     context 'remove_iteration command' do
@@ -318,6 +328,16 @@ RSpec.describe QuickActions::InterpretService do
           expect(updates).to be_empty
         end
       end
+
+      context 'when issuable does not support iterations' do
+        it 'does not assign an iteration to an incident' do
+          incident = create(:incident, project: project)
+
+          _, updates = service.execute(content, incident)
+
+          expect(updates).to be_empty
+        end
+      end
     end
 
     context 'epic command' do