Support for 6.8.3

[zxjczero]

Trying to install in Kibana6.8.3,use ob-kb-funnel v6.8.2
modify package.json:
"kibana": {
"version": "6.8.3",
"templateVersion": "1.0.0"
}

but,new Visualize and got this:

TypeError: Cannot read property 'aggConfig' of undefined
    at collectBucket (commons.bundle.js:3)
    at tabifyAggResponse (commons.bundle.js:3)
    at VisualizeDataLoader._callee$ (commons.bundle.js:14)
    at tryCatch (vendors.bundle.dll.js:488)
    at Generator.invoke [as _invoke] (vendors.bundle.dll.js:488)
    at Generator.prototype.<computed> [as next] (vendors.bundle.dll.js:488)
    at step (commons.bundle.js:14)
    at commons.bundle.js:14