fixed width for contacts short name chip

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

@@ -18,10 +18,11 @@
 
             <com.google.android.material.chip.Chip
                 android:id="@+id/shortName"
-                android:layout_width="wrap_content"
+                android:layout_width="72dp"
                 android:layout_height="wrap_content"
                 android:layout_margin="8dp"
                 android:text="@string/some_username"
+                android:textAlignment="center"
                 app:layout_constraintBottom_toBottomOf="parent"
                 app:layout_constraintStart_toStartOf="parent"
                 app:layout_constraintTop_toTopOf="parent" />