Small layout improvement

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

@@ -318,7 +318,7 @@
                     android:layout_marginTop="6dp"
                     android:layout_marginEnd="6dp"
                     android:fontFamily="monospace"
-                    android:minHeight="72dp"
+                    android:minHeight="75dp"
                     android:text="Signature"
                     android:textAppearance="@style/TextAppearance.AppCompat.Small"
                     android:textIsSelectable="true"
@@ -338,12 +338,13 @@
                     android:id="@+id/ibSignature"
                     android:layout_width="36dp"
                     android:layout_height="wrap_content"
+                    android:layout_marginTop="12dp"
                     android:layout_marginEnd="6dp"
                     android:background="?android:attr/selectableItemBackgroundBorderless"
                     android:contentDescription="@string/title_legend_show_images"
                     android:padding="3dp"
-                    app:layout_constraintBottom_toBottomOf="@+id/tvSignature"
                     app:layout_constraintEnd_toEndOf="parent"
+                    app:layout_constraintTop_toBottomOf="@+id/cbSignature"
                     app:srcCompat="@drawable/baseline_file_copy_24" />
 
                 <View