issue #955 improve backup status

[tomholub]

close #955

[tomholub]

These could possibly be removed:

$('#module_manual .action_skip_backup').click(this.view.setHandler(el => this.actionSkipBackupHandler()));
  private actionSkipBackupHandler = async () => {
    if (this.view.action === 'setup') {
      await Store.setAcct(this.view.acctEmail, { key_backup_prompt: false });
      window.location.href = Url.create('/chrome/settings/setup.htm', { acctEmail: this.view.acctEmail });
    } else {
      if (this.view.parentTabId) {
        BrowserMsg.send.closePage(this.view.parentTabId);
      } else {
        Catch.report(`backup.ts: missing parentTabId for ${this.view.action}`);
      }
    }
  }

[tomholub]

Figure out difference between setup eg

    <div id="step_2a_manual_create" class="manual">
      <div class="line left">Choose pass phrase to protect your encrypted emails. <a href="#"
          data-featherlight="/chrome/texts/passphrase_help.htm">choosing
          secure pass phrases</a></div>
      <div class="line left">
        <input class="input_password" type="text" placeholder="Pass phrase" style="margin-bottom: 0;"
          id="step_2a_manual_create_input_password" data-test="input-step2bmanualcreate-passphrase-1" />
      </div>
      <div class="line left">
        <input class="input_pass_phrase_confirm" type="text" placeholder="Repeat pass phrase"
          id="step_2a_manual_create_input_pass_phrase_confirm" data-test="input-step2bmanualcreate-passphrase-2" />
      </div>

vs what is in backup.ts

    <div id="module_setup_2_confirm_pp">
      <div class="line">Please repeat it one more time. Make sure to note the pass phrase down.</div>
      <div class="line">
        <input id="pass_phrase_confirm" type="text" placeholder="Repeat pass phrase" />
      </div>
      <div class="line">
        <button class="button long green action_backup">CONFIRM PASS PHRASE</button>
      </div>
      <div class="line">
        <button class="button long gray action_reset_password">USE ANOTHER PASS PHRASE</button>
      </div>
    </div>

In case it can be united

[tomholub]

• action_proceed_default_backup_choice can probably be removed
• anything related to entering pass phrase can be removed, can send user to change their pass phrase in change_passphrase.htm

[tomholub]

BackupChangePpModule could be thrown away, instead show manual?

[tomholub]

delete options action, let the default be that

[tomholub]

delete setup_simple

[tomholub]

consider removing key_backup_method