Small layout improvements

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

@@ -403,8 +403,9 @@
             android:id="@+id/tvGravatarsHint"
             android:layout_width="0dp"
             android:layout_height="wrap_content"
-            android:drawableEnd="@drawable/twotone_open_in_new_24"
+            android:drawableEnd="@drawable/twotone_open_in_new_12"
             android:drawablePadding="6dp"
+            android:drawableTint="?android:attr/textColorLink"
             android:text="@string/title_advanced_gravatars_hint"
             android:textAppearance="@style/TextAppearance.AppCompat.Small"
             android:textColor="?attr/colorWarning"

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

@@ -295,8 +295,9 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_marginTop="6dp"
-            android:drawableEnd="@drawable/twotone_open_in_new_24"
+            android:drawableEnd="@drawable/twotone_open_in_new_12"
             android:drawablePadding="6dp"
+            android:drawableTint="?android:attr/textColorLink"
             android:text="@string/title_advanced_experiments_hint"
             android:textAppearance="@style/TextAppearance.AppCompat.Small"
             android:textColor="?android:attr/textColorLink"