fix: allow TextFieldSanitizer process array values

src/Sanitizer/TextFieldSanitizer.php

@@ -6,6 +6,9 @@ use WPDesk\Forms\Sanitizer;
 
 class TextFieldSanitizer implements Sanitizer {
 	public function sanitize( $value ) {
+		if ( is_array( $value ) ) {
+			return array_map('sanitize_text_field', $value);
+		}
 		return sanitize_text_field( $value );
 	}