feature #42532 [DependencyInjection] Sort services in service locator according to priority (BoShurik)

This PR was merged into the 5.4 branch.

Discussion
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[DependencyInjection] Sort services in service locator according to priority

| Q             | A
| ------------- | ---
| Branch?       | 5.4
| Bug fix?      | no
| New feature?  | yes
| Deprecations? | no
| Tickets       | Fix #42506
| License       | MIT
| Doc PR        | -

Commits
-------

c67c2df236 Sort services in service locator according to priority

Author: fabpot

Tests/DependencyInjection/RegisterControllerArgumentLocatorsPassTest.php

@@ -397,7 +397,10 @@ public function testAlias()
         $pass->process($container);
 
         $locator = $container->getDefinition((string) $resolver->getArgument(0))->getArgument(0);
-        $this->assertSame([RegisterTestController::class.'::fooAction', 'foo::fooAction'], array_keys($locator));
+
+        $services = array_keys($locator);
+        sort($services);
+        $this->assertSame([RegisterTestController::class.'::fooAction', 'foo::fooAction'], $services);
     }
 
     /**