You can't have both ...

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

@@ -146,23 +146,22 @@
             android:textAppearance="@style/TextAppearance.AppCompat.Small"
             app:layout_constraintBottom_toTopOf="@+id/barrier2"
             app:layout_constraintEnd_toStartOf="@+id/tvFolder"
-            app:layout_constraintHorizontal_weight="2"
             app:layout_constraintStart_toEndOf="@id/ivAttachments"
             app:layout_constraintTop_toBottomOf="@id/padding1" />
 
         <TextView
             android:id="@+id/tvFolder"
-            android:layout_width="0dp"
+            android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_marginEnd="6dp"
             android:ellipsize="start"
             android:gravity="end"
-            android:singleLine="true"
+            android:maxWidth="120dp"
             android:text="Folder"
+            android:singleLine="true"
             android:textAppearance="@style/TextAppearance.AppCompat.Small"
             app:layout_constraintBottom_toTopOf="@+id/barrier2"
             app:layout_constraintEnd_toStartOf="@+id/tvCount"
-            app:layout_constraintHorizontal_weight="1"
             app:layout_constraintStart_toEndOf="@+id/tvSubject"
             app:layout_constraintTop_toBottomOf="@id/padding1" />