[Draft] feat: multiple policy configmap support enabled

[bilalcaliskan]

Signed-off-by: bilalcaliskan bilalcaliskan@protonmail.com
Co-authored-by: notfromstatefarm 86763948+notfromstatefarm@users.noreply.github.com

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This is the continuation PR of #9976 and fixes issue #8324.

This PR implements the feature of additional RBAC configmaps. Any configmaps with the label argocd.argoproj.io/cm-type=rbac will be used and watched for changes. This will simplify of adding/managing RBAC rules on large enterprise environments.