Release 2.0.29 (#4178)

- show button title if delete is used in page actions
- fix invoice due date depends on invoice date, replace DateTime with DateTimeI… 
- lowercase all font names in PDFs, otherwise they fail loading
- hide empty fieldset (work-contract page)
- activate contract_other_profile by default for admin and super-admin
- deactivate rule to check "maximum duration of entries" by default
- allow to deactivate presets in DateRange Picker (for Devs)

assets/sass/forms.scss

@@ -35,4 +35,8 @@
     display: inline-block;
     margin-right: 10px;
     border-radius: var(--tblr-border-radius);
+}
+
+fieldset:empty {
+    display: none;
 }