add minimal height to events without end timestamp

app/src/main/kotlin/com/simplemobiletools/calendar/fragments/WeekFragment.kt

@@ -85,6 +85,7 @@ class WeekFragment : Fragment(), WeeklyCalendar {
     override fun updateWeeklyCalendar(events: List<Event>) {
         val fullHeight = mRes.getDimension(R.dimen.weekly_view_events_height)
         val minuteHeight = fullHeight / (24 * 60)
+        val minimalHeight = mRes.getDimension(R.dimen.weekly_view_minimal_event_height).toInt()
         val eventColor = context.config.primaryColor
         val sideMargin = mRes.displayMetrics.density.toInt()
         (0..6).map { getColumnWithId(it) }
@@ -107,7 +108,7 @@ class WeekFragment : Fragment(), WeeklyCalendar {
                         rightMargin = sideMargin
                         topMargin = (startMinutes * minuteHeight).toInt()
                         width = layout.width
-                        height = (duration * minuteHeight).toInt() - sideMargin
+                        height = if (event.startTS == event.endTS) minimalHeight else (duration * minuteHeight).toInt() - sideMargin
                     }
                 }
             }

app/src/main/res/layout/week_event_marker.xml

@@ -2,4 +2,4 @@
 <TextView
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
-    android:layout_height="10dp"/>
+    android:layout_height="wrap_content"/>

app/src/main/res/values/dimens.xml

@@ -7,6 +7,7 @@
     <dimen name="weekly_view_row_minus_one_height">59dp</dimen>
     <dimen name="weekly_view_events_height">1440dp</dimen>      <!-- weekly_view_row_height * 24 hours -->
     <dimen name="weekly_view_day_letters_height">40dp</dimen>
+    <dimen name="weekly_view_minimal_event_height">10dp</dimen>
 
     <dimen name="min_widget_width">250dp</dimen>
     <dimen name="min_widget_height">250dp</dimen>