Fix time label appearing in incidence info contents when no time available

Signed-off-by: Claudio Cambra <claudio.cambra@gmail.com>

src/contents/ui/Controls/IncidenceInfoContents.qml

@@ -246,7 +246,9 @@ QQC2.ScrollView {
                 }
             }
             wrapMode: Text.Wrap
-            visible: !root.incidenceData.allDay && (root.sameIncidenceStartAndEndDate || root.validIncidenceStartOrEnd)
+            visible: !root.incidenceData.allDay &&
+                     ((root.sameIncidenceStartAndEndDate && root.bothIncidenceStartAndEndValid) ||
+                     root.validIncidenceStartOrEnd)
         }
 
         QQC2.Label {