fixing issue#2131: same description for all photos in multiple uploads (commons-app#2132)

* fixing same description in multiple uploads issue(commons-app#2131)

* Remove setNewDescription method

Author: cypherop

app/src/main/java/fr/free/nrw/commons/upload/DescriptionsAdapter.java

@@ -174,7 +174,10 @@ public void init(int position) {
                     descItemEditText.setCompoundDrawablesWithIntrinsicBounds(null, null, null, null);
                 }
 
-                descItemEditText.addTextChangedListener(new AbstractTextWatcher(description::setDescriptionText));
+                descItemEditText.addTextChangedListener(new AbstractTextWatcher(descriptionText->{
+                    descriptions.get(position - 1).setDescriptionText(descriptionText);
+                }));
+
                 descItemEditText.setOnFocusChangeListener((v, hasFocus) -> {
                     if (!hasFocus) {
                         ViewUtil.hideKeyboard(v);
@@ -238,8 +241,8 @@ public void onItemSelected(AdapterView<?> adapterView, View view, int position,
                     ((SpinnerLanguagesAdapter) adapterView.getAdapter()).selectedLangCode = languageCode;
                 }
 
-                    @Override
-                    public void onNothingSelected(AdapterView<?> adapterView) {
+                @Override
+                public void onNothingSelected(AdapterView<?> adapterView) {
 
                 }
             });