fixup! Base Browser strings

Bug 42423: Add a base-browser Fluent file that is not passed on to
translators.

browser/locales-preview/base-browser-no-translate.ftl

+# base-browser strings that should *not* be sent to translators on Weblate.

browser/locales/jar.mn

@@ -14,6 +14,7 @@
   preview/firefoxSuggest.ftl                       (../components/urlbar/content/firefoxSuggest.ftl)
   preview/identityCredentialNotification.ftl       (../components/credentialmanager/identityCredentialNotification.ftl)
   preview/stripOnShare.ftl                         (../components/urlbar/content/stripOnShare.ftl)
+  preview/base-browser-no-translate.ftl            (../locales-preview/base-browser-no-translate.ftl)
   browser                                          (%browser/**/*.ftl)
 
 @AB_CD@.jar: