Add to calendar icon

app/src/main/res/drawable/twotone_edit_calendar_24.xml

@@ -0,0 +1,15 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?attr/colorControlNormal">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M5,6h14v2h-14z"
+      android:strokeAlpha="0.3"
+      android:fillAlpha="0.3"/>
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M5,10h14v2h2V6c0,-1.1 -0.9,-2 -2,-2h-1V2h-2v2H8V2H6v2H5C3.89,4 3.01,4.9 3.01,6L3,20c0,1.1 0.89,2 2,2h7v-2H5V10zM5,6h14v2H5V6zM22.84,16.28l-0.71,0.71l-2.12,-2.12l0.71,-0.71c0.39,-0.39 1.02,-0.39 1.41,0l0.71,0.71C23.23,15.26 23.23,15.89 22.84,16.28zM19.3,15.58l2.12,2.12l-5.3,5.3H14v-2.12L19.3,15.58z"/>
+</vector>

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

@@ -231,7 +231,7 @@
             android:layout_width="0dp"
             android:layout_height="wrap_content"
             android:layout_marginTop="12dp"
-            android:drawableEnd="@drawable/twotone_event_24"
+            android:drawableEnd="@drawable/twotone_edit_calendar_24"
             android:drawablePadding="6dp"
             android:text="@string/title_event"
             android:textAppearance="@style/TextAppearance.AppCompat.Small"

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

@@ -296,7 +296,7 @@
             android:padding="6dp"
             android:scaleType="fitCenter"
             android:tooltipText="@string/title_event"
-            app:srcCompat="@drawable/twotone_event_24"
+            app:srcCompat="@drawable/twotone_edit_calendar_24"
             tools:ignore="MissingConstraints" />
 
         <ImageButton

app/src/main/res/menu/popup_message_more.xml

@@ -96,7 +96,7 @@
     <group android:id="@+id/group_sharing">
         <item
             android:id="@+id/menu_event"
-            android:icon="@drawable/twotone_event_24"
+            android:icon="@drawable/twotone_edit_calendar_24"
             android:title="@string/title_event" />
 
         <item