Several adjustments user interface and project file

* Avoid writing error message if observed data for a well is not present
* Add missing log text during replace summary ensemble
* Make sure plot window is visible after importing summary ensemble
* Add observed FMU folder to path section
* Move worker functions to RiaProjectFileTools
* Reset numbering of path IDs when saving project.
* Remove warning when fault name is longer than 8 characters

ApplicationLibCode/Commands/SummaryPlotCommands/RicReplaceSummaryEnsembleFeature.cpp

@@ -76,6 +76,9 @@ void RicReplaceSummaryEnsembleFeature::onActionTriggered( bool isChecked )
 
             collection->updateFileSetNames();
             collection->updateAllRequiredEditors();
+
+            RiaLogging::info( QString( "Completed replace ensemble, new name is '" ) + summaryEnsemble->name() + "'" );
+
             return;
         }