Optimize layout, revert icon style

Signed-off-by: Andy Scherzinger <info@andy-scherzinger.de>

app/src/main/res/drawable/ic_contact_book.xml

@@ -18,9 +18,9 @@
     android:width="24dp"
     android:height="24dp"
     android:tint="#666666"
-    android:viewportWidth="960"
-    android:viewportHeight="960">
+    android:viewportWidth="24"
+    android:viewportHeight="24">
     <path
         android:fillColor="@android:color/white"
-        android:pathData="M160,920L160,840L800,840L800,920L160,920ZM160,120L160,40L800,40L800,120L160,120ZM480,520Q530,520 565,485Q600,450 600,400Q600,350 565,315Q530,280 480,280Q430,280 395,315Q360,350 360,400Q360,450 395,485Q430,520 480,520ZM160,800Q127,800 103.5,776.5Q80,753 80,720L80,240Q80,207 103.5,183.5Q127,160 160,160L800,160Q833,160 856.5,183.5Q880,207 880,240L880,720Q880,753 856.5,776.5Q833,800 800,800L160,800ZM230,720L730,720Q685,664 621,632Q557,600 480,600Q403,600 339,632Q275,664 230,720Z" />
+        android:pathData="M20,0L4,0v2h16L20,0zM4,24h16v-2L4,22v2zM20,4L4,4c-1.1,0 -2,0.9 -2,2v12c0,1.1 0.9,2 2,2h16c1.1,0 2,-0.9 2,-2L22,6c0,-1.1 -0.9,-2 -2,-2zM12,6.75c1.24,0 2.25,1.01 2.25,2.25s-1.01,2.25 -2.25,2.25S9.75,10.24 9.75,9 10.76,6.75 12,6.75zM17,17L7,17v-1.5c0,-1.67 3.33,-2.5 5,-2.5s5,0.83 5,2.5L17,17z" />
 </vector>

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

@@ -62,6 +62,7 @@
             android:layout_height="@dimen/minimum_size_for_touchable_area"
             android:layout_gravity="center_vertical"
             android:padding="12dp"
+            android:layout_marginEnd="@dimen/standard_quarter_margin"
             android:src="@drawable/ic_contact_book" />
 
     </LinearLayout>