When using REST to gather the JIRA fields, the value from *searchable* will return true even when you choose *None* for the search template.

When using REST to gather the JIRA fields, the value from searchable will return true even when you choose None for the search template.

How to reproduce

1. Create a custom field (i.e Number Field)
2. Click on Edit (from the cog item)
3. Select None for the Search Template
4. Trigger a REST as http://JIRA_ADDRESS/rest/api/2/field

Results

Searchable will be returned as True as:

        "id": "customfield_10400",
        "name": "Testttt",
        "custom": true,
        "orderable": true,
        "navigable": true,
        "searchable": true,
        "clauseNames": [
            "cf[10400]",
            "Testttt"