Fix:(issue_2238) Dont process flags for completion command

[dearchap]

What type of PR is this?

(REQUIRED)

• bug

What this PR does / why we need it:

(REQUIRED)

Dont process any flags when completion command is run.

Which issue(s) this PR fixes:

(REQUIRED)

Fixes #2238

Special notes for your reviewer:

(fill-in or delete this section)

Testing

(fill-in or delete this section)

Added a required flag to root command for completion testing

go test -run=TestCompletionEnable

Release Notes

(REQUIRED)

Completion command ignores parsing of flags