Resolve "Invalid timeline should cause warning in dashboard"
Description
There should be invalid timeline -info when timeslider's timerange is more than default timerange. When user modify element it should set automatic zero values to incorrect timerange.
How to test
-Go to fullscreen map product
-Add observation and forecast to preset and save it new name
-Create new map product
-Select new created preset
-Set custom time. Example: 0, 0, 0, 4
-Save and go to fullscreen mode in this product
-Remove forecast layer and save preset
-In dashboard there should be info-box in this map product
-Go edit mode and select 'modify element'
-There should be timerange with values when going to timeline
-Save product and infobox vanished
Closes #689 (closed)