bug #17569 [FrameworkBundle] read commands from bundles when accessing list (havvg)

This PR was merged into the 2.3 branch.

Discussion
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[FrameworkBundle] read commands from bundles when accessing list

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

This allows access to the list of commands registered by the kernel (bundle and later service ids) programmatically when you do not `run` the application.

Commits
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0fe3088 register commands from kernel when accessing list

Author: fabpot

Application.php

@@ -436,7 +436,7 @@ public function has($name)
     public function getNamespaces()
     {
         $namespaces = array();
-        foreach ($this->commands as $command) {
+        foreach ($this->all() as $command) {
             $namespaces = array_merge($namespaces, $this->extractAllNamespaces($command->getName()));
 
             foreach ($command->getAliases() as $alias) {
@@ -530,7 +530,7 @@ public function find($name)
 
         // name
         $commands = array();
-        foreach ($this->commands as $command) {
+        foreach ($this->all() as $command) {
             $extractedNamespace = $this->extractNamespace($command->getName());
             if ($extractedNamespace === $namespace
                || !empty($namespace) && 0 === strpos($extractedNamespace, $namespace)
@@ -556,7 +556,7 @@ public function find($name)
 
         // aliases
         $aliases = array();
-        foreach ($this->commands as $command) {
+        foreach ($this->all() as $command) {
             foreach ($command->getAliases() as $alias) {
                 $extractedNamespace = $this->extractNamespace($alias);
                 if ($extractedNamespace === $namespace
@@ -1028,7 +1028,7 @@ private function findAlternativeCommands($name, $abbrevs)
             return $item->getName();
         };
 
-        return $this->findAlternatives($name, $this->commands, $abbrevs, $callback);
+        return $this->findAlternatives($name, $this->all(), $abbrevs, $callback);
     }
 
     /**