fixed some console errors for standard user

[eva-vashkevich]

Summary

Fixes #12478

Added some error catching to

• node drivers
• pod security admissions
• edit YAML for fleet git repos

Occurred changes and/or fixed issues

Technical notes summary

Areas or cases that should be tested

Create a new standard user with this custom roles:
{ resource: "fleetworkspaces", verbs: ["create", "delete", "get", "list", "patch", "update", "watch"]},
{ resource: "gitrepos", verbs: ["list"]},
{ resource: "bundles", verbs: ["create", "delete", "get", "list", "patch", "update", "watch"]},

Log in as this user.
Going to the following pages shouldn't throw any errors in the console:
Cluster management -> Advanced -> Pod Security Admissions
Cluster management -> Drivers -> Node Drivers

Continuous delivery -> Git repos -> Edit YAML for existing git repo should open with an error banner

Areas which could experience regressions

None

Screenshot/Video

Checklist

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