Unused fields cause a lot of warning spam 5.11.1+

Issue Summary

Custom fields Epic color and Epic Name can cause allot of spam with warnings if not in use.

This is reproducible on Data Center: (yes)

Steps to Reproduce

1. Install Jira Sw 9.11.1+
2. Create a test project with sample data from type "Software"

Expected Results

Project created and no warning messages as this is default setup

Actual Results

Warning Messages spams the logs as well as when statuses are changed on tickets.

The below exception is thrown in the atlassian-jira.log file:

2023-10-20 12:11:27,680+0200 http-nio-45111-exec-2 url: /j5111/rest/jira-importers-plugin/1.0/demo/create; user: test WARN test 731x1820x2 5h0ly6 0:0:0:0:0:0:0:1 /rest/jira-importers-plugin/1.0/demo/create [c.a.j.i.f.config.manager.FieldConfigSchemeManagerImpl] Couldn't find any valid FieldConfig for issueTypeId=10008, projectId=10001 and fieldId=customfield_10127 within FieldConfigScheme with id=10235

Workaround

Create options for Epic Color and Epic name to any project seems to suppress the warnings, on any issue type affected.

Alternatively, reducing the loglevel of the following package to ERROR:
Change logging levels in Jira Server

com.atlassian.jira.issue.fields.config.manager.FieldConfigSchemeManagerImpl