add more whitespace to copy icon

src/main/res/layout/file_details_sharing_fragment.xml

@@ -70,12 +70,12 @@
             <ImageView
                 android:id="@+id/share_link_copy_icon"
                 android:layout_width="0dp"
-                android:layout_height="24dp"
-                android:layout_marginEnd="@dimen/standard_eighth_margin"
-                android:layout_marginLeft="@dimen/standard_eighth_margin"
-                android:layout_marginRight="@dimen/standard_eighth_margin"
-                android:layout_marginStart="@dimen/standard_eighth_margin"
-                android:layout_marginTop="@dimen/standard_half_margin"
+                android:layout_height="32dp"
+                android:paddingEnd="@dimen/standard_eighth_margin"
+                android:paddingLeft="@dimen/standard_quarter_margin"
+                android:paddingRight="@dimen/standard_eighth_margin"
+                android:paddingStart="@dimen/standard_quarter_margin"
+                android:paddingTop="@dimen/standard_half_margin"
                 android:layout_weight="1"
                 android:contentDescription="@string/copy_link"
                 android:paddingBottom="@dimen/standard_half_padding"