minor symfony#23594 [Bridge\Doctrine] Fix BC with DI v3.4 (nicolas-grekas)

This PR was merged into the 4.0-dev branch.

Discussion
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[Bridge\Doctrine] Fix BC with DI v3.4

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

As allowed by composer.json.
Code borrowed from branch 3.4

Commits
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b03f0bd [Bridge\Doctrine] Fix BC with DI v3.4

Author: fabpot

src/Symfony/Bridge/Doctrine/ManagerRegistry.php

@@ -49,10 +49,13 @@ protected function resetService($name)
         }
         $manager->setProxyInitializer(\Closure::bind(
             function (&$wrappedInstance, LazyLoadingInterface $manager) use ($name) {
+                if (isset($this->normalizedIds[$normalizedId = strtolower($name)])) { // BC with DI v3.4
+                    $name = $this->normalizedIds[$normalizedId];
+                }
                 if (isset($this->aliases[$name])) {
                     $name = $this->aliases[$name];
                 }
-                $method = $this->methodMap[$name] ?? 'get'.$name.'Service';
+                $method = $this->methodMap[$name] ?? 'get'.strtr($name, $this->underscoreMap).'Service'; // BC with DI v3.4
                 $wrappedInstance = $this->{$method}(false);
 
                 $manager->setProxyInitializer(null);