Fix first selected path not being primary resource when dropping mult…

…iple files into Recaf

recaf-ui/src/main/java/software/coley/recaf/ui/dnd/WorkspaceLoadingDropListener.java

@@ -48,7 +48,8 @@ public void onDragDrop(@Nonnull Region region, @Nonnull DragEvent event, @Nonnul
 
 		if (config.createOnDragDrop()) {
 			// Create new workspace from files
-			Path primary = files.get(0);
+			//  - The last path is actually the first file selected by the user when multiple files are selected
+			Path primary = files.getLast();
 			List<Path> supporting = files.size() > 1 ? files.subList(1, files.size()) : Collections.emptyList();
 			pathLoadingManager.asyncNewWorkspace(primary, supporting, err -> {
 				logger.error("Failed to create new workspace from dropped files", err);