Fix server update command

Author: swissspidy

src/McpServerCommand.php

@@ -188,11 +188,12 @@ public function update( $args, array $assoc_args ): void {
 		}
 
 		foreach ( $server as $key => $value ) {
+			$new_value = $assoc_args[ $key ];
 			if ( isset( $assoc_args[ $key ] ) ) {
 				if ( 'status' === $key ) {
-					$value = 'inactive' === $value ? 'active' : 'inactive';
+					$new_value = 'inactive' === $new_value ? 'active' : 'inactive';
 				}
-				$server[ $key ] = $value;
+				$server[ $key ] = $new_value;
 			}
 		}