minor #20364 CS: apply rules (keradus)

This PR was squashed before being merged into the 2.7 branch (closes #20364).

Discussion
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CS: apply rules

| Q | A |
| --- | --- |
| Branch? | 2.7 |
| Bug fix? | no |
| New feature? | no |
| BC breaks? | no |
| Deprecations? | no |
| Tests pass? | n/a |
| Fixed tickets | - |
| License | MIT |
| Doc PR | - |

Commits
-------

22d4e15 CS: apply rules

Author: nicolas-grekas

Dumper/IcuResFileDumper.php

@@ -34,7 +34,7 @@ public function format(MessageCatalogue $messages, $domain = 'messages')
 
         foreach ($messages->all($domain) as $source => $target) {
             $indexes .= pack('v', strlen($data) + 28);
-            $data    .= $source."\0";
+            $data .= $source."\0";
         }
 
         $data .= $this->writePadding($data);

Translator.php

@@ -376,9 +376,9 @@ private function getFallbackContent(MessageCatalogue $catalogue)
             $fallbackSuffix = ucfirst(preg_replace($replacementPattern, '_', $fallback));
             $currentSuffix = ucfirst(preg_replace($replacementPattern, '_', $current));
 
-            $fallbackContent .= sprintf(<<<EOF
-\$catalogue%s = new MessageCatalogue('%s', %s);
-\$catalogue%s->addFallbackCatalogue(\$catalogue%s);
+            $fallbackContent .= sprintf(<<<'EOF'
+$catalogue%s = new MessageCatalogue('%s', %s);
+$catalogue%s->addFallbackCatalogue($catalogue%s);
 
 EOF
                 ,