Fix return type of ListDatabase::retrieve()

Signed-off-by: Kamil Tekiela <tekiela246@gmail.com>

phpstan-baseline.neon

@@ -7512,12 +7512,6 @@ parameters:
 			count: 1
 			path: src/ListDatabase.php
 
-		-
-			message: '#^Parameter \#2 \$callback of function usort expects callable\(mixed, mixed\)\: int, Closure\(string, string\)\: int\<\-1, 1\> given\.$#'
-			identifier: argument.type
-			count: 1
-			path: src/ListDatabase.php
-
 		-
 			message: '''
 				#^Access to deprecated static property \$route of class PhpMyAdmin\\Routing\\Routing\:

psalm-baseline.xml

@@ -4857,9 +4857,6 @@
     </PossiblyNullOperand>
   </file>
   <file src="src/ListDatabase.php">
-    <MixedArgumentTypeCoercion>
-      <code><![CDATA[usort($databaseList, strnatcasecmp(...))]]></code>
-    </MixedArgumentTypeCoercion>
     <RiskyTruthyFalsyComparison>
       <code><![CDATA[empty($this->config->selectedServer['hide_db'])]]></code>
     </RiskyTruthyFalsyComparison>

src/ListDatabase.php

@@ -75,7 +75,7 @@ class ListDatabase extends ArrayObject
      *
      * @param string|null $likeDbName usually a db_name containing wildcards
      *
-     * @return mixed[]
+     * @return string[]
      */
     protected function retrieve(UserPrivileges $userPrivileges, string|null $likeDbName = null): array
     {