S allius/issue391 (#392)

* design counter on connection board

* display time of last update and add reload button

* chance `Updated` field to a real button

* Provide counter values for the dashboard

* change background color ot the top branch

- use dark-grey instead of black to reduce the contrast

* change color of counter tiles

* test proxy connection counter handling

* prepare conn-table and notes list building

* remove obsolete menue points

* store client mode for dashboard

* store inverters serial number for the dashboard

* store inverters serial number

* build connection table for dashboard

* add connection table to dashboard

* fix responsiveness of the tiles

* adapt unit tests

* remove test fake code

* increase test coverage, remove obsolete if statement

app/src/gen3/talent.py

@@ -100,7 +100,7 @@ class Talent(Message):
 
             if serial_no in inverters:
                 inv = inverters[serial_no]
-                self._set_config_parms(inv)
+                self._set_config_parms(inv, serial_no)
                 self.db.set_pv_module_details(inv)
                 logger.debug(f'SerialNo {serial_no} allowed! area:{self.sug_area}')  # noqa: E501
             else: