Fix lint issues

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

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

@@ -27,7 +27,7 @@
     android:id="@+id/joinConversationViaLinkRelativeLayout">
 
     <ImageView
-        android:id="@+id/public_call_link"
+        android:id="@+id/joinConversationViaLinkImageView"
         android:layout_width="32dp"
         android:layout_height="32dp"
         android:layout_centerVertical="true"
@@ -38,13 +38,13 @@
         android:tint="@color/colorPrimary" />
 
     <TextView
-        android:id="@+id/description_text"
+        android:id="@+id/joinConversationViaLinkTextView"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:layout_centerVertical="true"
         android:layout_marginStart="@dimen/activity_horizontal_margin"
         android:layout_marginEnd="@dimen/activity_horizontal_margin"
-        android:layout_toEndOf="@id/public_call_link"
+        android:layout_toEndOf="@id/joinConversationViaLinkImageView"
         android:ellipsize="middle"
         android:singleLine="true"
         android:text="@string/nc_join_via_link"