bug symfony#23385 [DoctrineBridge] Fix resetting entity managers with case sensitive id (chalasr)

This PR was merged into the 3.3 branch.

Discussion
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[DoctrineBridge] Fix resetting entity managers with case sensitive id

| Q             | A
| ------------- | ---
| Branch?       | 3.3
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | n/a
| License       | MIT
| Doc PR        | n/a

Commits
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9737bcc [DoctrineBridge] Use normalizedIds for resetting entity manager services

Author: fabpot

src/Symfony/Bridge/Doctrine/ManagerRegistry.php

@@ -53,7 +53,10 @@ protected function resetService($name)
         }
         $manager->setProxyInitializer(\Closure::bind(
             function (&$wrappedInstance, LazyLoadingInterface $manager) use ($name) {
-                if (isset($this->aliases[$name = strtolower($name)])) {
+                if (isset($this->normalizedIds[$normalizedId = strtolower($name)])) {
+                    $name = $this->normalizedIds[$normalizedId];
+                }
+                if (isset($this->aliases[$name])) {
                     $name = $this->aliases[$name];
                 }
                 $method = !isset($this->methodMap[$name]) ? 'get'.strtr($name, $this->underscoreMap).'Service' : $this->methodMap[$name];