don't select tree node when dragging

src/public/javascripts/widgets/note_tree.js

@@ -134,9 +134,7 @@ export default class NoteTreeWidget extends TabAwareWidget {
                         return false;
                     }
 
-                    node.setSelected(true);
-
-                    const notes = this.getSelectedNodes().map(node => ({
+                    const notes = this.getSelectedOrActiveNodes(node).map(node => ({
                         noteId: node.data.noteId,
                         title: node.title
                     }));

src/public/stylesheets/style.css

@@ -743,7 +743,7 @@ a.external:not(.no-arrow):after, a[href^="http://"]:not(.no-arrow):after, a[href
 }
 
 .include-note {
-    margin: 20px;
+    margin-bottom: 10px;
     padding: 20px;
     border-radius: 10px;
     background-color: var(--accented-background-color);