Add an access warning

app/components/shares/project_queries/project_access_warning_component.html.erb

@@ -0,0 +1,3 @@
+<%- if query_is_public? || query_is_shared? %>
+  <%= container.with_row(mt: 3) { render(Primer::Alpha::Banner.new(icon: :info)) { I18n.t('sharing.project_queries.access_warning') } }%>
+<%- end %>

app/components/shares/project_queries/project_access_warning_component.rb

@@ -0,0 +1,26 @@
+module Shares
+  module ProjectQueries
+    class ProjectAccessWarningComponent < ViewComponent::Base # rubocop:disable OpenProject/AddPreviewForViewComponent
+      include OpPrimer::ComponentHelpers
+
+      def initialize(strategy:, modal_body_container:)
+        super
+
+        @strategy = strategy
+        @container = modal_body_container
+      end
+
+      private
+
+      attr_reader :strategy, :container
+
+      def query_is_public?
+        @strategy.entity.public?
+      end
+
+      def query_is_shared?
+        @strategy.entity.members.any?
+      end
+    end
+  end
+end