Release 2.30 (#5345)

- added missing InvoiceTemplate company, title) field validator
- graceful fallback for missing working-contract mode
- improve email test command (use configured MAIL_FROM)
- additional form types for simple usage in SystemConfiguration and UserPreferences
- allow to extend the working time query via event

.php-cs-fixer.dist.php

@@ -43,6 +43,7 @@ $fixer
         'single_line_after_imports' => true,
         'switch_case_semicolon_to_colon' => true,
         'switch_case_space' => true,
+        'php_unit_method_casing' => true,
         'array_syntax' => [
             'syntax' => 'short'
         ],