[Logs Tab:] Log level info is displayed Blank for apm logs under Logs tab.

**Kibana version:** 7.13.3 Snapshot Kibana Cloud-qa environment

**Host OS and Browser version:** Windows 10, All

**Preconditions:**
1. 7.13.3 Snapshot Kibana Cloud-qa environment should be available.

**Build Details:**
```
BUILD 40987
COMMIT af2d162c66b5538c40ae179e02e650784f2a081f
```
2. Apm and Fleet section should be there while creating deployments.

**Steps to reproduce:**
- Login to Cloud deployment environment.
- Enable logs and metrics at cloud deployment.
- Wait for 1-2 mins for action to complete.
- Got to stack monitoring Tab in kibana.
- Validate data sync at apm & fleet overview resource usage.
- Restart Kibana.
- Copy endpoint url for Apm from cloud deployment page.
- Hit the below command from command prompt in admin mode.
curl -i copied_apm_url/invalid
OR
curl -i copied_apm_url/app/apm/config/v1/agents
- Go to logs tab.
- Apply event.dataset filter for below: "apm.log"

**Whats Not working:**
- Log level info is displayed Blank for apm logs under Logs tab.
- This issue is also reproducible on 7.13.2 build.

**Expected Result:**
- Logging level for 'apm.log' logs should be ERROR.

**Screenshots:**