fix: only use casting at alter table

This method is used to get the type of column, when is creating the
table, will return wrong value. If is creating all tables, Doctrine
don't will run step by step, will get all changes and apply in only a
time

Signed-off-by: Vitor Mattos <vitor@php.rio>

lib/Migration/Version8000Date20240405142042.php

@@ -37,6 +37,11 @@
 class PostgreSQLJsonType extends JsonType {
 	public function getSQLDeclaration(array $column, AbstractPlatform $platform) {
 		$return = parent::getSQLDeclaration($column, $platform);
+		$backtrace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 10);
+		$isCreateTable = array_filter($backtrace, fn ($step) => in_array($step['function'], ['_getCreateTableSQL', 'getCreateTablesSQL']));
+		if ($isCreateTable) {
+			return $return;
+		}
 		return implode(' ', [
 			$return,
 			$column['comment'],