Handle get_payment_method_by_id false value (#11044)

Author: alefesouza

changelog/fix-handle-get-payment-method-by-id-false

@@ -0,0 +1,4 @@
+Significance: patch
+Type: fix
+
+Fix possible errors when WooPay is enabled while the store is in Coming Soon mode

includes/class-wc-payments-checkout.php

@@ -351,7 +351,12 @@ public function get_all_payment_method_config() {
 	 */
 	private function get_config_for_payment_method( $payment_method_id, $account_country ) {
 		$payment_method = $this->gateway->wc_payments_get_payment_method_by_id( $payment_method_id );
-		$config         = [
+
+		if ( ! $payment_method ) {
+			return [];
+		}
+
+		$config = [
 			'isReusable'     => $payment_method->is_reusable(),
 			'isBnpl'         => $payment_method->is_bnpl(),
 			'title'          => $payment_method->get_title( $account_country ),