The diff adds an `enableBookmark` parameter to the `MultitypeOverview` widget and uses it in the `_BookmarksState` and `_FilteredBookmarksState` to conditionally render the `BookmarkButton`. This allows for more flexibility in rendering the overview widget.
The changes include adding a return statement for infographies in the onTap callback of the DidvanCard widget in the MultitypeOverview class. This will prevent the code from executing further when the item type is infography.
This commit adds a new type 'infography' in the OverviewData class and assigns it an integer value of 7. It also includes a bookmark button in the MultitypeOverview widget for the new type and all other types. The bookmark button is imported from the bookmark\_button.dart file. The commit also moves the caption section to a separate row and adjusts the flex properties of the containers.