Fix some bugs (#596)

remove redundant casting

Fix edittext layout when typing(reduce size), fix refresh drafts. Minor improvements

Co-authored-by: M M Arif <mmarif@swatian.com>
Reviewed-on: https://codeberg.org/gitnex/GitNex/pulls/596
Reviewed-by: 6543 <6543@noreply.codeberg.org>

app/src/main/res/layout/activity_create_release.xml

@@ -139,7 +139,7 @@
             <EditText
                 android:id="@+id/releaseContent"
                 android:layout_width="match_parent"
-                android:layout_height="wrap_content"
+                android:layout_height="240dp"
                 android:layout_marginTop="10dp"
                 android:padding="10dp"
                 android:maxLines="8"