[v2.15] Revert "Remove list of orphaned nodes from cluster view (#2574)"

[maciaszczykm]

This reverts commit 73aa222

What this PR does / why we need it:

Which issue(s) this PR fixes (optional, in fixes #<issue number>(, fixes #<issue_number>, ...) format, will close the issue(s) when PR gets merged):
Fixes #

Special notes for your reviewer:
/assign @floreks

Release note:

Restore list of nodes in the cluster view.

[floreks]

/lgtm
/approve

[kubermatic-bot]

LGTM label has been added.

Git tree hash: c1fa7a5e07c89a1213e8003e3c61beed3f4ddc89

[kubermatic-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: floreks, maciaszczykm

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• OWNERS [floreks,maciaszczykm]

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[codecov]

Codecov Report

Merging #2774 into release/v2.15 will decrease coverage by 0.05%.
The diff coverage is 34.78%.

@@                Coverage Diff                @@
##           release/v2.15    #2774      +/-   ##
=================================================
- Coverage          52.49%   52.43%   -0.06%     
=================================================
  Files                234      234              
  Lines               8188     8220      +32     
  Branches             999      960      -39     
=================================================
+ Hits                4298     4310      +12     
- Misses              3887     3907      +20     
  Partials               3        3              

Impacted Files	Coverage Δ
...pp/core/components/navigation/project/component.ts	36.17% <0.00%> (ø)
src/app/project/project.module.ts	100.00% <ø> (ø)
...mponents/external-cluster-data-dialog/component.ts	47.36% <0.00%> (ø)
src/app/shared/entity/addon.ts	60.00% <ø> (ø)
src/app/shared/entity/settings.ts	83.67% <ø> (ø)
src/app/shared/services/cluster.service.ts	22.22% <0.00%> (-0.97%)	⬇️
src/app/testing/services/settings-mock.service.ts	81.81% <ø> (ø)
src/app/wizard/step/cluster/ssh-keys/component.ts	72.58% <ø> (ø)
...error-notifications/error-notifications.service.ts	25.92% <6.66%> (-9.08%)	⬇️
...t/edit-addon-dialog/edit-addon-dialog.component.ts	33.33% <33.33%> (ø)
... and 6 more

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