change bottomsheet color to surface

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

app/src/main/java/com/owncloud/android/ui/dialog/SendShareDialog.kt

@@ -118,7 +118,7 @@ class SendShareDialog : BottomSheetDialogFragment(R.layout.send_share_fragment),
     private fun applyTintColor() {
         viewThemeUtils?.material?.colorMaterialButtonPrimaryFilled(binding.btnLink)
         viewThemeUtils?.material?.colorMaterialButtonPrimaryFilled(binding.btnShare)
-        viewThemeUtils?.platform?.colorViewBackground(binding.bottomSheet, ColorRole.SURFACE_VARIANT)
+        viewThemeUtils?.platform?.colorViewBackground(binding.bottomSheet, ColorRole.SURFACE)
     }
 
     @Suppress("MagicNumber")