Output constant must match the constantized class name

Constantize can demodulize to an incorrect class, so we should skip any class
names that don't constantize to the expected class.

In this example, if you do the following in rails console, you'll get the
following:

Autoload the base manager eventcatcher:

ManageIQ::Providers::BaseManager::EventCatcher

Try to constantize a non existing event catcher in a valid provider namespace:
"ManageIQ::Providers::Foreman::ProvisioningManager::EventCatcher".constantize
   =>  ManageIQ::Providers::BaseManager::EventCatcher

Seen in the logs for https://bugzilla.redhat.com/show_bug.cgi?id=1759711

app/models/miq_server/worker_management/monitor.rb

@@ -50,6 +50,8 @@ def sync_workers
     self.class.monitor_class_names.each do |class_name|
       begin
         c = class_name.constantize
+        raise NameError.new("Constant problem: expected: #{class_name}, constantized: #{c.name}") unless c.name == class_name
+
         c.ensure_systemd_files if c.systemd_worker?
         result[c.name] = c.sync_workers
         result[c.name][:adds].each { |pid| worker_add(pid) unless pid.nil? }

spec/models/miq_server/worker_management/monitor_spec.rb

@@ -33,6 +33,21 @@
 
     context "#sync_workers" do
       let(:server) { EvmSpecHelper.local_miq_server }
+
+      it "ensures only expected worker classes are constantized" do
+        # Autoload abstract base class for the event catcher
+        ManageIQ::Providers::BaseManager::EventCatcher
+
+        # We'll try to constantize a non-existing EventCatcher class in an existing namespace,
+        # which incorrectly resolves to the base manager event catcher.
+        allow(MiqServer).to receive(:monitor_class_names).and_return(%w(ManageIQ::Providers::Foreman::ProvisioningManager::EventCatcher MiqGenericWorker))
+
+        expect(ManageIQ::Providers::BaseManager::EventCatcher).to receive(:sync_workers).never
+        expect(MiqGenericWorker).to receive(:sync_workers).and_return(:adds => [111])
+        expect(server.sync_workers).to eq("MiqGenericWorker"=>{:adds=>[111]})
+      end
+
+
       it "rescues exceptions and moves on" do
         allow(MiqServer).to receive(:monitor_class_names).and_return(%w(MiqGenericWorker MiqPriorityWorker))
         allow(MiqGenericWorker).to receive(:sync_workers).and_raise