Fix avatar issue

Signed-off-by: Mario Danic <mario@lovelyhq.com>

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

@@ -23,7 +23,7 @@
 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
-    android:layout_height="@dimen/rv_item_view_height"
+    android:layout_height="64dp"
     android:layout_margin="8dp">