layout: replace menu icon with utf8 character

The three dot menu icosn looks odd when stretched
due to the dynamic menu feature. Thus replace it
with the hamburger menu character that looks better
when scaled.

app/src/main/java/it/danieleverducci/lunatracker/MainActivity.kt

@@ -468,10 +468,8 @@ class MainActivity : AppCompatActivity() {
 
         if (hideDurationButtons) {
             durationButtons.visibility = View.GONE
-            d.setMessage(getString(R.string.log_sleep_dialog_description_start))
         } else {
             durationButtons.visibility = View.VISIBLE
-            d.setMessage(event.getDialogMessage(this))
 
             fun adjust(minutes: Int) {
                 duration += minutes * 60
@@ -516,7 +514,6 @@ class MainActivity : AppCompatActivity() {
     }
 
     fun addAmountEvent(event: LunaEvent) {
-        setToPreviousQuantity(event)
         askAmountValue(event, true) { saveEvent(event) }
     }
 
@@ -533,7 +530,7 @@ class MainActivity : AppCompatActivity() {
             R.array.AmountLabels,
             android.R.layout.simple_spinner_dropdown_item
         )
-
+        // set pre-selected item and ensure the quantity to index is in bounds
         spinner.setSelection(event.quantity.coerceIn(0, spinner.count - 1))
 
         val dateTV = dialogView.findViewById<TextView>(R.id.dialog_date_picker)

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

@@ -131,7 +131,6 @@
     <string name="log_unknown_dialog_description"></string>
     <string name="log_weight_dialog_description">Insert the weight:</string>
     <string name="log_sleep_dialog_description">Set sleep duration:</string>
-    <string name="log_sleep_dialog_description_start">Start sleep cycle:</string>
 
     <string name="measurement_unit_liquid_base_metric" translatable="false">ml</string>
     <string name="measurement_unit_weight_base_metric" translatable="false">g</string>