Improved initial data handling

weatherman.yaml

@@ -9,6 +9,14 @@ esphome:
       priority: 200.0
       then:
         - component.update: eink_display
+        - wait_until:
+            condition:
+              lambda: 'return id(data_updated) == true;'
+              # Wait a bit longer so all the items are received
+        - delay: 5s
+        - logger.log: "Initial sensor data received: Refreshing display..."
+        - lambda: 'id(initial_data_received) = true;'
+        - script.execute: update_screen
 
 esp32:
   board: esp32dev