Chronograf (1.7.12) Invalid size returned for cell 2 of value NaN

What browser are you using (name and version)?

What operating system are you using?

Please describe what you were trying to do when you encountered this error:

```
Error: Invalid size returned for cell 2 of value NaN
at i.value (http://192.168.88.23:8888/src.6549ea42.js:2833:1411)
at i.value (http://192.168.88.23:8888/src.6549ea42.js:2833:2700)
at r.value (http://192.168.88.23:8888/src.6549ea42.js:2837:2359)
at f.value (http://192.168.88.23:8888/src.6549ea42.js:2908:12908)
at f.value (http://192.168.88.23:8888/src.6549ea42.js:2908:11170)
at ia (http://192.168.88.23:8888/src.6549ea42.js:716:58760)
at aa (http://192.168.88.23:8888/src.6549ea42.js:716:58602)
at fa (http://192.168.88.23:8888/src.6549ea42.js:716:60859)
at Wa (http://192.168.88.23:8888/src.6549ea42.js:716:74893)
at Va (http://192.168.88.23:8888/src.6549ea42.js:716:75239)
```

The only entry point provided is the browser stack in src.6549ea42.js; the report supplies no browser, operating system, reproduction steps, source file, or test. Start by collecting those details and reproducing the NaN cell-size error in Chronograf. Done should include a confirmed cause, a targeted fix, and regression coverage.

Written by the indexing model from the issue text.