Fix client-side mutation for updating DAST site profiles

- Updated the client-side mutation's schema to match the backend
implementation
- Use global ID instead of plain ID
- Added specs

ee/app/assets/javascripts/dast_site_profiles_form/graphql/dast_site_profile_update.mutation.graphql

 mutation dastSiteProfileUpdate(
-  $id: ID!
+  $id: DastSiteProfileID!
   $fullPath: ID!
   $profileName: String!
   $targetUrl: String
 ) {
-  project(fullPath: $fullPath) {
-    dastSiteProfileUpdate(input: { id: $id, profileName: $profileName, targetUrl: $targetUrl }) {
-      id
-      errors
-    }
+  dastSiteProfileUpdate(
+    input: { id: $id, fullPath: $fullPath, profileName: $profileName, targetUrl: $targetUrl }
+  ) {
+    id
+    errors
   }
 }

ee/app/controllers/projects/dast_site_profiles_controller.rb

@@ -12,6 +12,7 @@ module Projects
         .dast_site_profiles
         .with_dast_site
         .find(params[:id])
+      @site_profile_gid = @site_profile.to_global_id
     end
 
     private

ee/app/views/projects/dast_site_profiles/edit.html.haml

@@ -5,4 +5,4 @@
 
 .js-dast-site-profile-form{ data: { full_path: @project.path_with_namespace,
 profiles_library_path: project_profiles_path(@project),
-site_profile: { id: @site_profile.id, name: @site_profile.name, target_url: @site_profile.dast_site.url }.to_json } }
+site_profile: { id: @site_profile_gid.to_s, name: @site_profile.name, target_url: @site_profile.dast_site.url }.to_json } }

ee/spec/views/projects/dast_site_profiles/edit.html.haml_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe "projects/dast_site_profiles/edit", type: :view do
+  before do
+    @project = create(:project)
+    @site_profile = create(:dast_site_profile)
+    @site_profile_gid = ::URI::GID.parse("gid://gitlab/DastSiteProfile/#{@site_profile.id}")
+    render
+  end
+
+  it 'renders Vue app root' do
+    expect(rendered).to have_selector('.js-dast-site-profile-form')
+  end
+
+  it 'passes project\'s full path' do
+    expect(rendered).to include @project.path_with_namespace
+  end
+
+  it 'passes DAST profiles library URL' do
+    expect(rendered).to include '/on_demand_scans/profiles'
+  end
+
+  it 'passes DAST site profile\'s data' do
+    expect(rendered).to include @site_profile_gid.to_s
+    expect(rendered).to include @site_profile.name
+    expect(rendered).to include @site_profile.dast_site.url
+  end
+end