win_chocolatey: Fix updating 'all' packages (#26417)

This fixes #15018

lib/ansible/modules/windows/win_chocolatey.ps1

@@ -101,6 +101,10 @@ Function Choco-IsInstalled
         [string]$package
     )
 
+    if ($package -eq "all") {
+        return $true
+    }
+
     $cmd = "$executable list --local-only --exact $package"
     $output = invoke-expression $cmd