fix: API requests with single RM and recover from panic during unauthorized autocreate

[amandavialva01]

Ticket

DET-10385, DET-10386

Description

This PR fixes the following issues:

• API requests for single RM only work when the cluster name is specified in the request
• Autocreate panic is not handled when attempted with OSS
• Some lint issues after feature branch rebase with main
• Autocreating namespace fails given workspace whose name doesn't match the accepted namespace regex pattern.

Test Plan

Spin up a single RM kubernetes EE cluster to execute the test plan.
To test API requests for single RM, run the following commands and make sure that they work:

• det w create ws1 --auto-create-namesapce
• det w create ws2 && det w bindings set ws2 --namespace default
• det w create ws3 --namespace default
• det w create ws4 && det w bindings set --auto-create-namespace

To test auto-create panic handled gracefully with an intuitive error message:

• Kill your Kubernetes cluster (if it's EE) and spin up an OSS Kubernetes cluster (remove license.txt and public.txt from your determined directory).
• Run det w create ws10 --auto-create-namespace and verify that we get an error saying that auto create is an EE-only feature
• Run det w create ws11 && det w bindings set ws11 --auto-create-namespace and verify that we get an error saying that auto create is an EE-only feature

To test namespace auto-creation with workspaces whose names don't match the accepted namespace regex pattern, run
det w create name,of_workspacE --auto-create-namespace and verify that a Kubernetes namespace is successfully created

• Run det w create ANOTHER,name,of_workspacE && det w bindings set ANOTHER,name,of_workspacE --auto-create-namespace and verify that a Kubernetes namespace is successfully created

Checklist

• Changes have been manually QA'd
• New features have been approved by the corresponding PM
• User-facing API changes have the "User-facing API Change" label
• Release notes have been added as a separate file under docs/release-notes/
  See Release Note for details.
• Licenses have been included for new code which was copied and/or modified from any external code

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 43.52%. Comparing base (c71d596) to head (86f8657).

Additional details and impacted files

@@                    Coverage Diff                     @@
##           wksp-namespace-binding    #9573      +/-   ##
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- Coverage                   52.11%   43.52%   -8.60%     
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  Files                         753      578     -175     
  Lines                      112830    99830   -13000     
  Branches                     2888     2888              
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- Hits                        58806    43449   -15357     
- Misses                      53852    56209    +2357     
  Partials                      172      172              

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[tara-det-ai]

LGTM