Fix merge entries dialog exceeding screen size (#8599)

* Fix merge entries dialog exceeding screen size

* Update CHANGELOG.md

CHANGELOG.md

@@ -35,6 +35,7 @@ Note that this project **does not** adhere to [Semantic Versioning](http://semve
 - We fixed an issue where pasting a URL was replacing + signs by spaces making the URL unreachable. [#8448](https://github.com/JabRef/jabref/issues/8448)
 - We fixed an issue where creating subsidiary files from aux files created with some versions of biblatex would produce incorrect results. [#8513](https://github.com/JabRef/jabref/issues/8513)
 - We fixed an issue where not all found unlinked local files were imported correctly due to some race condition. [#8444](https://github.com/JabRef/jabref/issues/8444)
+- We fixed an issue where Merge entries dialog exceeds screen boundaries.
 
 ### Removed
 

src/main/java/org/jabref/gui/mergeentries/MergeEntries.java

@@ -31,6 +31,7 @@
 import javafx.scene.layout.Priority;
 import javafx.scene.text.Text;
 import javafx.scene.text.TextFlow;
+import javafx.stage.Screen;
 
 import org.jabref.gui.Globals;
 import org.jabref.gui.icon.IconTheme.JabRefIcons;
@@ -142,7 +143,8 @@ private static String getDisplayText(DiffMode mode) {
      * Main function for building the merge entry JPanel
      */
     private void initialize() {
-        setPrefWidth(800);
+        this.setPrefHeight(Screen.getPrimary().getBounds().getHeight() * 0.75);
+        this.setPrefWidth(Screen.getPrimary().getBounds().getWidth() * 0.75);
 
         setupFields();