dev20220620: clock page: clock hands set to 14:00 if no time present

[W-Geronius]

whith 'hold' set to true, but no time was available since boot, there are no 'old' values to display. In this case also the clock hands should be hidden

In addition: the literal SunR is missing, excessive "---"

[norbert-walter]

Solved in 20220626