Fixes commons-app#2803 - Cancel nearby upload -> Next upload gets the same title/description

Author: Pratham2305

app/src/main/java/fr/free/nrw/commons/nearby/contract/NearbyParentFragmentContract.java

@@ -89,6 +89,7 @@ interface UserActions {
         void detachView();
 
         void setActionListeners(JsonKvStore applicationKvStore);
+        void removeNearbyPreferences(JsonKvStore applicationKvStore);
         boolean backButtonClicked();
         void onCameraMove(com.mapbox.mapboxsdk.geometry.LatLng latLng);
         void filterByMarkerType(List<Label> selectedLabels, int state, boolean filterForPlaceState, boolean filterForAllNoneType);

app/src/main/java/fr/free/nrw/commons/nearby/fragments/NearbyParentFragment.java

@@ -435,6 +435,7 @@ public void onLowMemory() {
     public void onDestroyView() {
         super.onDestroyView();
         mapView.onDestroy();
+        presenter.removeNearbyPreferences(applicationKvStore);
     }
 
     private void initViews() {

app/src/main/java/fr/free/nrw/commons/nearby/presenter/NearbyParentFragmentPresenter.java

@@ -33,6 +33,7 @@
 import static fr.free.nrw.commons.nearby.CheckBoxTriStates.CHECKED;
 import static fr.free.nrw.commons.nearby.CheckBoxTriStates.UNCHECKED;
 import static fr.free.nrw.commons.nearby.CheckBoxTriStates.UNKNOWN;
+import static fr.free.nrw.commons.wikidata.WikidataConstants.PLACE_OBJECT;
 
 public class NearbyParentFragmentPresenter
         implements NearbyParentFragmentContract.UserActions,
@@ -83,6 +84,12 @@ public void detachView(){
         this.nearbyParentFragmentView=DUMMY;
     }
 
+    @Override
+    public void removeNearbyPreferences(JsonKvStore applicationKvStore) {
+        Timber.d("Remove place objects");
+        applicationKvStore.remove(PLACE_OBJECT);
+    }
+
     public void initializeMapOperations() {
         lockUnlockNearby(false);
         updateMapAndList(LOCATION_SIGNIFICANTLY_CHANGED);