Filter bulk update service params

Filter params and change the health status value
from 0 to nil. This will remove the existing value
and set the attribute as 'no status.

app/assets/javascripts/issuable_bulk_update_actions.js

@@ -88,7 +88,7 @@ export default {
         milestone_id: this.form.find('input[name="update[milestone_id]"]').val(),
         issuable_ids: this.form.find('input[name="update[issuable_ids]"]').val(),
         subscription_event: this.form.find('input[name="update[subscription_event]"]').val(),
-        health_status: healthStatusValue === 'null' ? null : healthStatusValue,
+        health_status: healthStatusValue === 'null' ? '0' : healthStatusValue,
         add_label_ids: [],
         remove_label_ids: [],
       },

app/services/issuable/bulk_update_service.rb

@@ -16,18 +16,12 @@ module Issuable
 
       ids = params.delete(:issuable_ids).split(",")
       items = find_issuables(parent, model_class, ids)
-
-      params.slice!(*permitted_attrs(type))
-      params.delete_if { |k, v| v.blank? }
-
-      if params[:assignee_ids] == [IssuableFinder::Params::NONE.to_s]
-        params[:assignee_ids] = []
-      end
+      update_params = filter_update_params(type)
 
       items.each do |issuable|
         next unless can?(current_user, :"update_#{type}", issuable)
 
-        update_class.new(issuable.issuing_parent, current_user, params).execute(issuable)
+        update_class.new(issuable.issuing_parent, current_user, update_params).execute(issuable)
       end
 
       {
@@ -52,6 +46,17 @@ module Issuable
       end
     end
 
+    def filter_update_params(type)
+      params.slice!(*permitted_attrs(type))
+      params.delete_if { |k, v| v.blank? }
+
+      if params[:assignee_ids] == [IssuableFinder::Params::NONE.to_s]
+        params[:assignee_ids] = []
+      end
+
+      params
+    end
+
     def find_issuables(parent, model_class, ids)
       if parent.is_a?(Project)
         model_class.id_in(ids).of_projects(parent)

ee/app/services/ee/issuable/bulk_update_service.rb

@@ -20,6 +20,21 @@ module EE
 
         super.push(:health_status, :epic)
       end
+
+      override :filter_update_params
+      def filter_update_params(type)
+        super
+
+        set_health_status
+
+        params
+      end
+
+      def set_health_status
+        return unless params[:health_status].present?
+
+        params[:health_status] = nil if params[:health_status] == IssuableFinder::Params::NONE.to_s
+      end
     end
   end
 end