theme link-joining like creation fab-styled imageview

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

app/src/main/java/com/nextcloud/talk/controllers/ContactsController.kt

@@ -637,6 +637,7 @@ class ContactsController(args: Bundle) :
                 ResourcesCompat.getColor(resources!!, R.color.colorBackgroundDarker, null),
                 PorterDuff.Mode.SRC_IN
             )
+
         viewThemeUtils.colorImageViewButton(binding.conversationPrivacyToggle.publicCallLink)
         disengageProgressBar()
     }