For #27627 - Check the TCP CFR status lazily

Use lazyFeatureFlagPreference as a quick small way to avoid a race between
initializing the value and the Nimbus initialization based on which the value
should be calculated.
This is the same flow that the other MR experiments use.

(cherry picked from commit 50c8e56)

app/src/main/java/org/mozilla/fenix/utils/Settings.kt

@@ -611,9 +611,10 @@ class Settings(private val appContext: Context) : PreferencesHolder {
     /**
      * Indicates if the total cookie protection CRF should be shown.
      */
-    var shouldShowTotalCookieProtectionCFR by booleanPreference(
+    var shouldShowTotalCookieProtectionCFR by lazyFeatureFlagPreference(
         appContext.getPreferenceKey(R.string.pref_key_should_show_total_cookie_protection_popup),
-        default = mr2022Sections[Mr2022Section.TCP_CFR] == true,
+        featureFlag = true,
+        default = { mr2022Sections[Mr2022Section.TCP_CFR] == true },
     )
 
     val blockCookiesSelectionInCustomTrackingProtection by stringPreference(