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Disable various ESR78 features via prefs

From #33534 (closed):

  • browser.region.network.scan --> false
  • browser.region.network.url --> ""
    • Obtain WiFi location information from a Mozilla server.
  • browser.tabs.remote.separatedMozillaDomains --> ""
    • This is a list of mozilla domains which are allowed to be loaded in a privileged process.
  • browser.urlbar.dnsResolveSingleWordsAfterSearch --> false
    • DNS look up is done for single word terms after a search fails.
  • browser.urlbar.suggest.topsites --> false
  • browser.urlbar.update1.interventions --> false
  • browser.urlbar.update1.searchTips --> false
  • corroborator.enabled --> false
    • Triggers detection of corruption (e.g. in omni.ja) and reporting via telemetry. Avoid doing wasted work.
  • device.storage.enabled --> false (Android)
  • dom.push.enabled --> false
  • dom.w3c_pointer_events.multiprocess.android.enabled --> false (Android)
  • messaging-system.rsexperimentloader.enabled --> false (about:newtab)
  • network.trr.resolvers --> ""
    • part of DoH; "defense in depth"
  • privacy.socialtracking.block_cookies.enabled --> false
    • part of tracking protection
  • security.pki.crlite_mode --> 0
    • This is 1 by default which is a non-enforcing mode focused on collecting telemetry. We should set it to 0 to avoid downloading data from Mozilla.
  • signon.management.page.breach-alerts.enabled --> false
    • Firefox displays critical alerts in the Lockwise password manager when a website is breached.
  • signon.management.page.mobileAndroidURL --> ""
  • signon.management.page.mobileAppleURL --> ""
    • about:logins page to redirect users to Google Play and Apple's App Store for obtaining Mozilla's LockWise mobile apps.
  • trailhead.firstrun.branches --> ""
    • For Firefox developers to enable experiments.