minor symfony#59645 [Config] Clarify var name (alexandre-daubois)

This PR was merged into the 7.3 branch.

Discussion
----------

[Config] Clarify var name

| Q             | A
| ------------- | ---
| Branch?       | 7.3
| Bug fix?      | no
| New feature?  | no
| Deprecations? | no
| Issues        | -
| License       | MIT

After symfony#59630 (comment)

Commits
-------

0e4d875 [Config] Clarify var name

Author: GromNaN

src/Symfony/Component/Config/Definition/Builder/ArrayNodeDefinition.php

@@ -245,7 +245,7 @@ public function canBeUnset(bool $allow = true): static
      */
     public function canBeEnabled(/* ?string $info = null */): static
     {
-        $node = $this
+        $disabledNode = $this
             ->addDefaultsIfNotSet()
             ->treatFalseLike(['enabled' => false])
             ->treatTrueLike(['enabled' => true])
@@ -265,7 +265,7 @@ public function canBeEnabled(/* ?string $info = null */): static
 
         $info = 1 <= \func_num_args() ? func_get_arg(0) : null;
         if ($info) {
-            $node->info($info);
+            $disabledNode->info($info);
         }
 
         return $this;
@@ -282,7 +282,7 @@ public function canBeEnabled(/* ?string $info = null */): static
      */
     public function canBeDisabled(/* ?string $info = null */): static
     {
-        $node = $this
+        $enabledNode = $this
             ->addDefaultsIfNotSet()
             ->treatFalseLike(['enabled' => false])
             ->treatTrueLike(['enabled' => true])
@@ -294,7 +294,7 @@ public function canBeDisabled(/* ?string $info = null */): static
 
         $info = 1 <= \func_num_args() ? func_get_arg(0) : null;
         if ($info) {
-            $node->info($info);
+            $enabledNode->info($info);
         }
 
         return $this;