Update mode, time, rssi and report_interval feature names/units (#995)

kasa/iot/iotdevice.py

@@ -352,6 +352,7 @@ class IotDevice(Device):
                     name="On since",
                     attribute_getter="on_since",
                     icon="mdi:clock",
+                    category=Feature.Category.Info,
                 )
             )
 

kasa/iot/iotstrip.py

@@ -340,6 +340,7 @@ class IotStripPlug(IotPlug):
                 name="On since",
                 attribute_getter="on_since",
                 icon="mdi:clock",
+                category=Feature.Category.Info,
             )
         )
         for module in self._supported_modules.values():