Read and show default deployment mode in deploy modal

[emilys314]

https://issues.redhat.com/browse/RHOAIENG-16489

Description

Read the kserve defaultDeploymentMode value on the DSC status. Then use this value for preselecting the default mode and also show which one is the default.

How Has This Been Tested?

This requires a nightly odh operator or the likes to have a default deployment mode other than serverless

1. Uncheck the devFlag disableKServeRaw
2. deploy a model
3. check the "... (default)" and the preselected value in the modal

Test Impact

No tests added. the pulling of the DSC status value is pretty simple. and creating a cypress test for a different preselection seemed like overkill, but lmk.

Request review criteria:

Self checklist (all need to be checked):

• The developer has manually tested the changes and verified that the changes work
• Testing instructions have been added in the PR body (for PRs involving changes that are not immediately obvious).
• The developer has added tests or explained why testing cannot be added (unit or cypress tests for related changes)

If you have UI changes:

• Included any necessary screenshots or gifs if it was a UI change.
• Included tags to the UX team if it was a UI/UX change.

@yih-wang

After the PR is posted & before it merges:

• The developer has tested their solution on a cluster by using the image produced by the PR to main

[openshift-ci]

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[codecov]

Codecov Report

Attention: Patch coverage is 95.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 84.27%. Comparing base (67669d6) to head (5a3d408).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
...src/pages/modelServing/useDefaultDeploymentMode.ts	88.88%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3651      +/-   ##
==========================================
+ Coverage   84.06%   84.27%   +0.20%     
==========================================
  Files        1432     1433       +1     
  Lines       33479    33500      +21     
  Branches     9279     9287       +8     
==========================================
+ Hits        28144    28231      +87     
+ Misses       5335     5269      -66     

Files with missing lines	Coverage Δ
frontend/src/k8sTypes.ts	100.00% <ø> (ø)
...jects/kServeModal/KServeDeploymentModeDropdown.tsx	100.00% <100.00%> (ø)
...d/src/pages/modelServing/screens/projects/utils.ts	93.30% <100.00%> (+0.02%)	⬆️
...src/pages/modelServing/useDefaultDeploymentMode.ts	88.88% <88.88%> (ø)

... and 9 files with indirect coverage changes

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[yih-wang]

Looks good, thank you @emilys314!