add reproduction of probelem with ui.select

tests/test_bindings.py

@@ -0,0 +1,26 @@
+
+import pytest
+from nicegui import ui
+from selenium.webdriver.common.action_chains import ActionChains
+from selenium.webdriver.common.by import By
+
+from .screen import Screen
+
+
+def test_binding_select_result(screen: Screen):
+    class Model():
+        location = None
+    data = Model()
+    options = {
+        (51.9607, 7.6261): 'Münster',
+        (48.3069, 14.2858): 'Linz',
+    }
+    data.location = list(options.keys())[0]
+    ui.select(options).bind_value(data, 'location')
+
+    screen.open('/')
+    screen.should_not_contain('Linz')
+    element = screen.click('Münster')
+    screen.click_at_position(element, x=20, y=100)
+    screen.wait(0.3)
+    screen.should_contain('Linz')