Fix: revert regression in useSafeAppFromManifest

[katspaugh]

What it solves

Reverts a change from #1674

How this PR fixes it

A regression was introduced in #1674 which prevented Safe Apps with an unreachable manifest.json from being loaded.

How to test it

Load the InsurAce app, it should load w/o problem, but on prod it won't.

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Branch preview

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https://fix_manifest--webcore.review-web-core.5afe.dev

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Type	Occurrences	Fixable
Errors	0	0
Warnings	0	0
Ignored	0	N/A

• Result: ✅ success
• Annotations: 0 total

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^{Report generated by eslint-plus-action}

[JagoFigueroa]

Hola señores, I am comparing this PR with the PR for 1.5.1 release and I've noticed this case for xdai bridge app on mainnet (might be more cases like this one, still checking).

On this PR it won't connect to the safe automatically (making it not usable).

But on 1.5.1 release PR I see that the connection is established as expected.

Any ideas what could be the change?

[katspaugh]

Should be good now. Looks like there’s a pretty fragile dependency on the timing of the router.

[JagoFigueroa]

Looks good to me. Thank you for the quick action!

[katspaugh]

Thank you caballero!