Migrate calendar widget settings

preferences/src/main/java/de/mm20/launcher2/preferences/Defaults.kt

@@ -21,6 +21,10 @@ fun createFactorySettings(context: Context): Settings {
             .setFilterSources(true)
             .build()
         )
+        .setCalendarWidget(Settings.CalendarWidgetSettings
+            .newBuilder()
+            .setHideAlldayEvents(false)
+        )
         .setClockWidget(Settings.ClockWidgetSettings
             .newBuilder()
             .setLayout(Settings.ClockWidgetSettings.ClockWidgetLayout.Vertical)

preferences/src/main/proto/settings.proto

@@ -103,4 +103,10 @@ message Settings {
   }
   WebSearchSettings web_search = 16;
 
+  message CalendarWidgetSettings {
+    bool hide_allday_events = 1;
+    repeated int64 exclude_calendars = 2;
+  }
+  CalendarWidgetSettings calendar_widget = 17;
+
 }