Move ProcessAlertWorker and dependencies to Core

Move:

* ProcessAlertWorker
* CreateIssueService
* ProjectIncidentManagementSetting

app/models/project.rb

@@ -187,6 +187,7 @@ class Project < ApplicationRecord
   has_one :import_state, autosave: true, class_name: 'ProjectImportState', inverse_of: :project
   has_one :import_export_upload, dependent: :destroy # rubocop:disable Cop/ActiveRecordDependent
   has_one :project_repository, inverse_of: :project
+  has_one :incident_management_setting, inverse_of: :project, class_name: 'IncidentManagement::ProjectIncidentManagementSetting'
   has_one :error_tracking_setting, inverse_of: :project, class_name: 'ErrorTracking::ProjectErrorTrackingSetting'
   has_one :metrics_setting, inverse_of: :project, class_name: 'ProjectMetricsSetting'
   has_one :grafana_integration, inverse_of: :project
@@ -316,6 +317,7 @@ class Project < ApplicationRecord
                                 allow_destroy: true,
                                 reject_if: ->(attrs) { attrs[:id].blank? && attrs[:url].blank? }
 
+  accepts_nested_attributes_for :incident_management_setting, update_only: true
   accepts_nested_attributes_for :error_tracking_setting, update_only: true
   accepts_nested_attributes_for :metrics_setting, update_only: true, allow_destroy: true
   accepts_nested_attributes_for :grafana_integration, update_only: true, allow_destroy: true

app/workers/all_queues.yml

@@ -429,6 +429,12 @@
   :latency_sensitive: 
   :resource_boundary: :unknown
   :weight: 1
+- :name: incident_management:incident_management_process_alert
+  :feature_category: :incident_management
+  :has_external_dependencies: 
+  :latency_sensitive: 
+  :resource_boundary: :unknown
+  :weight: 2
 - :name: mail_scheduler:mail_scheduler_issue_due
   :feature_category: :issue_tracking
   :has_external_dependencies: 

ee/app/models/ee/project.rb

@@ -49,7 +49,6 @@ module EE
       has_one :service_desk_setting, class_name: 'ServiceDeskSetting'
       has_one :tracing_setting, class_name: 'ProjectTracingSetting'
       has_one :alerting_setting, inverse_of: :project, class_name: 'Alerting::ProjectAlertingSetting'
-      has_one :incident_management_setting, inverse_of: :project, class_name: 'IncidentManagement::ProjectIncidentManagementSetting'
       has_one :feature_usage, class_name: 'ProjectFeatureUsage'
 
       has_many :reviews, inverse_of: :project
@@ -181,7 +180,6 @@ module EE
 
       accepts_nested_attributes_for :tracing_setting, update_only: true, allow_destroy: true
       accepts_nested_attributes_for :alerting_setting, update_only: true
-      accepts_nested_attributes_for :incident_management_setting, update_only: true
 
       alias_attribute :fallback_approvals_required, :approvals_before_merge
     end

ee/app/workers/all_queues.yml

@@ -303,12 +303,6 @@
   :latency_sensitive: 
   :resource_boundary: :unknown
   :weight: 1
-- :name: incident_management:incident_management_process_alert
-  :feature_category: :incident_management
-  :has_external_dependencies: 
-  :latency_sensitive: 
-  :resource_boundary: :unknown
-  :weight: 2
 - :name: incident_management:incident_management_process_prometheus_alert
   :feature_category: :incident_management
   :has_external_dependencies: