fix(intall): do not process non-existing tables

some tables may be created after attempt to migrate to dynamic row

Author: btry

install/upgrade_to_2.13.php

@@ -359,6 +359,9 @@ public function migrateTablesToDynamic() {
       ];
 
       foreach ($tables as $table) {
+         if (!$DB->tableExists($table)) {
+            continue;
+         }
          $DB->query("ALTER TABLE `$table` ROW_FORMAT = DYNAMIC");
       }
    }