feat(email-mode): hide email mode

[KenLSM]

Problem

Closes [insert issue #]

Solution

Note that the form should contain only 1 field with following configuration:

{
    "ValidationOptions": {
        "customMax": null,
        "customMin": null
    },
    "fieldOptions": [
        "I need to collect Sensitive High data",
        "I need to receive attachments via email",
        "I use the JSON in Email mode responses for automations"
    ],
    "othersRadioButton": true,
    "title": "Checkbox",
    "description": "",
    "required": true,
    "disabled": false,
    "fieldType": "checkbox",
}

Breaking Changes

• No - this PR is backwards compatible

Before & After Screenshots

Tests

Deploy Notes

New environment variables:

• KILL_EMAIL_MODE_FEEDBACK_FORMID: Form ID associated with collecting feedback.

[datadog-opengovsg]

Datadog Report

Branch report: feat/hide-email-mode
Commit report: c52f128
Test service: formsg

✅ 0 Failed, 2995 Passed, 1 Skipped, 6m 51.03s Total Time