XWIKI-19113: Can't edit in place the Title and Content fields

...rc/test/it/org/xwiki/appwithinminutes/test/ui/AllITs.java

.../org/xwiki/appwithinminutes/test/ui/DocumentFieldsIT.java

...c/main/resources/AppWithinMinutes/ClassSheetGenerator.xml

.../main/java/org/xwiki/model/script/ModelScriptService.java

...t/java/org/xwiki/model/script/ModelScriptServiceTest.java

...tform-oldcore/src/main/java/com/xpn/xwiki/api/Object.java

...m-oldcore/src/test/java/com/xpn/xwiki/api/ObjectTest.java

...java/org/xwiki/test/ui/po/DocumentSyntaxPropertyPane.java

.../main/java/org/xwiki/test/ui/po/EditablePropertyPane.java

...er/src/test/it/org/xwiki/xclass/test/ui/ClassSheetIT.java

...lass-test-docker/src/test/resources/contentDisplayer.wiki

...atform-xclass-ui/src/main/resources/XWiki/ObjectSheet.xml