rfac: initialized enable_monitoring to 1

[yp969803]

/kind bug

What this PR does / why we need it:
We initialize enable_monitoring with false, which is wrong

Which issue(s) this PR fixes:
Fixes #1333

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

[yp969803]

@hzxuzhonghu can u merge it !!

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 45.89%. Comparing base (a4bc785) to head (a324207).
Report is 9 commits behind head on main.

see 2 files with indirect coverage changes

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[yp969803]

@hzxuzhonghu can u merge it !!

[yp969803]

/retest

[hzxuzhonghu]

Seems a regression from #1263, which turned this ferature off. This makes me realize we donot have any e2e test on this feat cc @YaoZengzeng @LiZhenCheng9527

[hzxuzhonghu]

/lgtm
/approve

[kmesh-bot]

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