replaced mail_system by symfony mailer

config/sync/symfony_mailer.mailer_policy.user.password_reset.yml

@@ -0,0 +1,20 @@
+uuid: c5135122-4990-4542-af33-4e0c425f5a67
+langcode: en
+status: true
+dependencies:
+  module:
+    - user
+_core:
+  default_config_hash: dQw-zK_rH2Z6J-fK28ea5w0gq4Q05DCafWCz5Je36-M
+id: user.password_reset
+configuration:
+  email_subject:
+    value: 'Replacement login information for [user:display-name] at [site:name]'
+  email_body:
+    content:
+      value: |-
+        <p>[user:display-name],</p>
+        <p>A request has been made to reset the password for your account at <a href="[site:url]">[site:name]</a>.
+        You may now use this link to <a href="[user:one-time-login-url]">log in</a>.
+        This link can only be used once to log in and will lead you to a page where you can set your password. It expires after one day and nothing will happen if it's not used.</p>
+      format: email_html