Fix more crashes below Android 10

src/com/android/launcher3/model/BgDataModel.java

@@ -143,7 +143,7 @@ public class BgDataModel {
                 screenSet.add(item.screenId);
             }
         }
-        if (FeatureFlags.topQsbOnFirstScreenEnabled(LawnchairApp.getContext()) || screenSet.isEmpty()) {
+        if (FeatureFlags.topQsbOnFirstScreenEnabled(LawnchairApp.getInstance()) || screenSet.isEmpty()) {
             screenSet.add(Workspace.FIRST_SCREEN_ID);
         }
         return screenSet.getArray();

src/com/android/launcher3/model/GridSizeMigrationTask.java

@@ -262,7 +262,7 @@ public class GridSizeMigrationTask {
      */
     protected void migrateScreen(int screenId) {
         // If we are migrating the first screen, do not touch the first row.
-        int startY = (FeatureFlags.topQsbOnFirstScreenEnabled(LawnchairApp.getContext()) && screenId == Workspace.FIRST_SCREEN_ID)
+        int startY = (FeatureFlags.topQsbOnFirstScreenEnabled(LawnchairApp.getInstance()) && screenId == Workspace.FIRST_SCREEN_ID)
                 ? 1 : 0;
 
         ArrayList<DbEntry> items = loadWorkspaceEntries(screenId);

src/com/android/launcher3/model/LoaderCursor.java

@@ -447,7 +447,7 @@ public class LoaderCursor extends CursorWrapper {
             if (item.screenId == Workspace.FIRST_SCREEN_ID) {
                 // Mark the first row as occupied (if the feature is enabled)
                 // in order to account for the QSB.
-                screen.markCells(0, 0, countX + 1, 1, FeatureFlags.topQsbOnFirstScreenEnabled(LawnchairApp.getContext()));
+                screen.markCells(0, 0, countX + 1, 1, FeatureFlags.topQsbOnFirstScreenEnabled(LawnchairApp.getInstance()));
             }
             occupied.put(item.screenId, screen);
         }