Don't select items in trash on target selector change

Items in the trash will still be updated properly (since they can still
exist in collections and have tags), but the collection selected in the
target selector should remain selected in the client.

Addresses zotero/zotero-connectors#220

chrome/content/zotero/xpcom/server_connector.js

@@ -151,7 +151,10 @@ Zotero.Server.Connector.SaveSession.prototype.update = async function (libraryID
 			if (this._objects.item.size == 1) {
 				let item = Array.from(this._objects.item)[0];
 				item = item.isTopLevelItem() ? item : item.parentItem;
-				await win.selectItem(item.id);
+				// Don't select if in trash
+				if (!item.deleted) {
+					await win.selectItem(item.id);
+				}
 			}
 		}
 	}