[fenix] Bug 1810314 - Update cookie banner snackbar duration.

app/src/main/java/org/mozilla/fenix/settings/quicksettings/protections/cookiebanners/dialog/CookieBannerReEngagementDialog.kt

@@ -53,7 +53,7 @@ class CookieBannerReEngagementDialog : DialogFragment() {
                         requireContext().getRootView()?.let {
                             FenixSnackbar.make(
                                 view = it,
-                                duration = FenixSnackbar.LENGTH_LONG,
+                                duration = LENGTH_SNACKBAR_DURATION,
                                 isDisplayedWithBrowserToolbar = true,
                             )
                                 .setText(getString(R.string.reduce_cookie_banner_dialog_snackbar_text))
@@ -85,4 +85,8 @@ class CookieBannerReEngagementDialog : DialogFragment() {
     private fun reload() {
         return requireContext().components.useCases.sessionUseCases.reload()
     }
+
+    companion object {
+        private const val LENGTH_SNACKBAR_DURATION = 4000 /* 4 seconds in ms */
+    }
 }