Fix release

[baurine]

What did:

• Hide "diagnose" app, it's not GA yet
• Rename "System Report" back to "Cluster Diagnostic"
• Add metrics relationship graph feature back (added in PR Release v2020.09.21.1 #760 and not cherry-pick back to the master)
• Disable control form if conprof is disabled

Screeshots:

[ti-chi-bot]

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• breeswish

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[codecov-commenter]

Codecov Report

Merging #1138 (e300fd6) into master (28d36cd) will decrease coverage by 0.14%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master    #1138      +/-   ##
==========================================
- Coverage   28.25%   28.10%   -0.15%     
==========================================
  Files         227      227              
  Lines       12841    12908      +67     
  Branches      647      647              
==========================================
  Hits         3628     3628              
- Misses       9063     9130      +67     
  Partials      150      150              

Flag	Coverage Δ
be_integration_test_latest	6.88% <ø> (ø)
be_integration_test_v4.0.1	6.88% <ø> (ø)
be_unit_test	23.83% <0.00%> (-0.18%)	⬇️
e2e_test	46.92% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
pkg/apiserver/diagnose/diagnose.go	0.00% <0.00%> (ø)
ui/dashboardApp/layout/main/Sider/index.tsx	97.72% <ø> (ø)

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