Register itembox and noteeditor with notifier and refresh on update

Since selected items are no longer reselected, the boxes now need to
refresh themselves.

test/tests/itemPaneTest.js

@@ -0,0 +1,59 @@
+describe("Item pane", function () {
+	var win, doc, itemsView;
+	
+	before(function* () {
+		win = yield loadZoteroPane();
+		doc = win.document;
+		itemsView = win.ZoteroPane.itemsView;
+	});
+	after(function () {
+		win.close();
+	});
+	
+	describe("Info pane", function () {
+		it("should refresh on item update", function* () {
+			var item = new Zotero.Item('book');
+			var id = yield item.saveTx();
+			item = yield Zotero.Items.getAsync(id);
+			
+			var itemBox = doc.getElementById('zotero-editpane-item-box');
+			var label = doc.getAnonymousNodes(itemBox)[0].getElementsByAttribute('fieldname', 'title')[1];
+			assert.equal(label.textContent, '');
+			
+			item.setField('title', 'Test');
+			yield item.saveTx();
+			
+			var label = doc.getAnonymousNodes(itemBox)[0].getElementsByAttribute('fieldname', 'title')[1];
+			assert.equal(label.textContent, 'Test');
+			
+			yield Zotero.Items.erase(id);
+		})
+	})
+	
+	describe("Note pane", function () {
+		it("should refresh on note update", function* () {
+			var item = new Zotero.Item('note');
+			var id = yield item.saveTx();
+			item = yield Zotero.Items.getAsync(id);
+			
+			
+			// Wait for the editor
+			var noteBox = doc.getElementById('zotero-note-editor');
+			var val = false;
+			do {
+				try {
+					val = noteBox.noteField.value;
+				}
+				catch (e) {}
+				yield Zotero.Promise.delay(1);
+			}
+			while (val === false)
+			assert.equal(noteBox.noteField.value, '');
+			
+			item.setNote('<p>Test</p>');
+			yield item.saveTx();
+			
+			assert.equal(noteBox.noteField.value, '<p>Test</p>');
+		})
+	})
+})