Settings - utils should properly display Objects

[psinha40898]

What happened?

Settings with objects as values cooperate for editing and for saves but display as [Object object] because the display utils in settingsUtils did not get properly updated in #18963 to actually display the object in a way that is readable

to fix this should be just making the display function handle objects, and maybe adding a regression test.

when #21201 is fixed then this would be hidden again, so it's good that that bug brought visibility here

What did you expect to happen?

display the object in a way that is readable after it is saved and after editing is over

Client information

Client Information

Run gemini to enter the interactive CLI, then run the /about command.

> /about
# paste output here

Login information

No response

Anything else we need to know?

No response

[gemini-cli]

Found possible duplicate issues:

• Session Retention Setting Displays as [object Object] and Is Not Editable in Gemini CLI Settings #13293

If you believe this is not a duplicate, please remove the status/possible-duplicate label.

[Zheyuan-Lin]

/assign

[gemini-cli]

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[apfine]

/assign

[gemini-cli]

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