[Backport release-1.4] Feat: minimize controller privileges & enforce authentication in multicluster e2e test (#4044)

* Feat: enable auth in multicluster test & restrict controller privileges while enabling authentication
Signed-off-by: Somefive <yd219913@alibaba-inc.com>
(cherry picked from commit fc3fc39eb0affe0a37df146d2e636e66ed6e75f7)

* Feat: fix statekeep permission leak & comprev cleanup leak
Signed-off-by: Somefive <yd219913@alibaba-inc.com>
(cherry picked from commit eaa317316d23c805869624b034b4163a5d29063b)

* Fix: use user info in ref-object select
Signed-off-by: Somefive <yd219913@alibaba-inc.com>
(cherry picked from commit 67463d13fefe134705f8c852f309c97c62a7d12a)

* Feat: set legacy-rt-gc to disabled by default
Signed-off-by: Somefive <yd219913@alibaba-inc.com>
(cherry picked from commit 77f1fc428676726b729d351373eb3ad605d26eca)

* Fix: pending healthscope with authentication test
Signed-off-by: Somefive <yd219913@alibaba-inc.com>
(cherry picked from commit c21ae8ac6adb32b73be81d180c0dc43b1e2c0b0c)
Co-authored-by: Somefive <yd219913@alibaba-inc.com>