minor #31420 [Console] optimisation getting the command when finding …

…(Simperfit)

This PR was submitted for the 4.3 branch but it was merged into the 4.4-dev branch instead (closes #31420).

Discussion
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[Console] optimisation getting the command when finding

| Q             | A
| ------------- | ---
| Branch?       | master
| Bug fix?      | no
| New feature?  | no <!-- don't forget to update src/**/CHANGELOG.md files -->
| BC breaks?    | no     <!-- see https://symfony.com/bc -->
| Deprecations? | no <!-- don't forget to update UPGRADE-*.md and src/**/CHANGELOG.md files -->
| Tests pass?   | yes    <!-- please add some, will be required by reviewers -->
| Fixed tickets | none  <!-- #-prefixed issue number(s), if any -->
| License       | MIT
| Doc PR        |
<!--
Write a short README entry for your feature/bugfix here (replace this comment block.)
This will help people understand your PR and can be used as a start of the Doc PR.
Additionally:
 - Bug fixes must be submitted against the lowest branch where they apply
   (lowest branches are regularly merged to upper ones so they get the fixes too).
 - Features and deprecations must be submitted against the master branch.
-->

Following discussion with @chalasr in here #31261 (comment), first commit will be deleted  when the other PR is merged.

Commits
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3d6b303 [Console] Optimisation on getting the command

src/Symfony/Component/Console/Application.php

@@ -623,6 +623,10 @@ public function find($name)
             }
         }
 
+        if ($this->has($name)) {
+            return $this->get($name);
+        }
+
         $allCommands = $this->commandLoader ? array_merge($this->commandLoader->getNames(), array_keys($this->commands)) : array_keys($this->commands);
         $expr = preg_replace_callback('{([^:]+|)}', function ($matches) { return preg_quote($matches[1]).'[^:]*'; }, $name);
         $commands = preg_grep('{^'.$expr.'}', $allCommands);
@@ -663,8 +667,7 @@ public function find($name)
             }));
         }
 
-        $exact = \in_array($name, $commands, true) || isset($aliases[$name]);
-        if (\count($commands) > 1 && !$exact) {
+        if (\count($commands) > 1) {
             $usableWidth = $this->terminal->getWidth() - 10;
             $abbrevs = array_values($commands);
             $maxLen = 0;
@@ -684,7 +687,7 @@ public function find($name)
             throw new CommandNotFoundException(sprintf("Command \"%s\" is ambiguous.\nDid you mean one of these?\n%s", $name, $suggestions), array_values($commands));
         }
 
-        return $this->get($exact ? $name : reset($commands));
+        return $this->get(reset($commands));
     }
 
     /**