Find All References and Go To Definition doesn't work on >=> in Giraffe

[0101]

Repro steps

Provide the steps required to reproduce the problem:

1. Open Giraffe solution in VS
2. Go to Giraffe/Core.fs and find (>=>) definition
3. Issue Find All References on it

Expected behavior

References are found

Actual behavior

No references are found.

Known workarounds

Full text search.

Related information

Go to definition on the symbol use also doesn't work and gives:

VS 17.7.0 preview 1 with latest F# extension.