Fix "Document Viewer: PDF shows only in half of the window size" #10934…

… (#10961)

* Fix "Document Viewer: PDF shows only in half of the window size" #10934

* move changelog to unreleased

CHANGELOG.md

@@ -52,6 +52,7 @@ Note that this project **does not** adhere to [Semantic Versioning](https://semv
 - We fixed an issue where the CrossRef field did not work if autocompletion was disabled [#8145](https://github.com/JabRef/jabref/issues/8145)
 - We fixed an issue where exporting`@electronic` and `@online` entry types to the Office XMl would duplicate the field `title`  [#10807](https://github.com/JabRef/jabref/issues/10807)
 - We fixed an issue where the `CommentsTab` was not properly formatted when the `defaultOwner` contained capital or special letters. [#10870](https://github.com/JabRef/jabref/issues/10870)
+- We fixed an issue where the Document Viewer would show the PDF in only half the window when maximized. [#10934](https://github.com/JabRef/jabref/issues/10934)
 
 ### Removed
 

src/main/java/org/jabref/gui/documentviewer/DocumentViewerView.java

@@ -47,7 +47,7 @@ public DocumentViewerView() {
 
         ViewLoader.view(this)
                   .load()
-                  .setAsContent(this.getDialogPane());
+                  .setAsDialogPane(this);
 
         // Remove button bar at bottom, but add close button to keep the dialog closable by clicking the "x" window symbol
         getDialogPane().getButtonTypes().add(ButtonType.CLOSE);