Fix issue #788 - Forwarded are added back when deleted

app/src/main/java/app/fedilab/android/mastodon/client/entities/api/Status.java

@@ -116,6 +116,8 @@ public class Status implements Serializable, Cloneable {
     public transient boolean isFetchMore = false;
     public transient PositionFetchMore positionFetchMore = PositionFetchMore.BOTTOM;
     public boolean isChecked = false;
+    //When forwarding tags
+    public boolean tagAdded = false;
     public String translationContent;
     public boolean translationShown;
     public boolean mathsShown = false;

app/src/main/java/app/fedilab/android/mastodon/ui/drawer/ComposeAdapter.java

@@ -1612,7 +1612,8 @@ public class ComposeAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder
                 statusDraft.setCursorToEnd = false;
                 holder.binding.content.setSelection(holder.binding.content.getText().length());
             }
-            if (forwardTag && position > 0 && statusDraft.text != null && !statusDraft.text.contains("#")) {
+            if (forwardTag && position > 0 && statusDraft.text != null && !statusDraft.text.contains("#") && !statusList.get(position).tagAdded) {
+                statusList.get(position).tagAdded = true;
                 Status status = statusList.get(position - 1).reblog == null ? statusList.get(position - 1) : statusList.get(position - 1).reblog;
                 if (status.tags != null && status.tags.size() > 0) {
                     statusDraft.text += "\n\n";
@@ -1626,8 +1627,9 @@ public class ComposeAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder
                     statusDraft.setCursorToEnd = false;
                     holder.binding.content.setSelection(statusDraft.text.length() - lenght - 3);
                 }
-            } else if (forwardTag && position > 0 && statusDraft.text != null && statusDraft.text.contains("#")) {
+            } else if (forwardTag && position > 0 && statusDraft.text != null && statusDraft.text.contains("#") && !statusList.get(position).tagAdded) {
                 Status status = statusList.get(position - 1).reblog == null ? statusList.get(position - 1) : statusList.get(position - 1).reblog;
+                statusList.get(position).tagAdded = true;
                 int lenght = 0;
                 for (Tag tag : status.tags) {
                     lenght += ("#" + tag.name + " ").length();