Prevent fetch when navigating on pages that contain ResourceDetail

[rak-phillip]

Summary

This prevents ResourceDetail from invoking fetch() when navigating back.

This PR applies existing work performed in #11986 to shell/components/ResourceDetail/index.vue.

Fixes #12219
Fixes #12073

Occurred changes and/or fixed issues

• add a guard to the $route.query watcher to prevent fetch from navigating when routing back

Technical notes summary

• We previously encountered this error in other areas, see Ensure fetch is not called when navigating backwards #11986 for more details
• ResourceDetail is the only remaining component that needs to be addressed to resolve the problem

Areas or cases that should be tested

ResourceDetail involves almost every edit component in Dashboard.

Areas which could experience regressions

Routing back in for edit components of Dashboard could break.

Checklist

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