Fix OAuth provider search ordering

[HarshMN2345]

What does this PR do?

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[greptile-apps]

Greptile Summary

This PR adds a live search box to the OAuth2 Providers section of the auth settings page, filtering providers by name or key, and also fixes the secondary sort order so providers with the same enabled-state are now sorted alphabetically rather than by original array order.

• Introduces filteredOAuthProviders as a $derived.by that filters by oauthProviderSearch and sorts by enabled-first then localeCompare; the old template loop with inline .filter().sort() is replaced entirely.
• Adds InputSearch to the providers header, a responsive CSS layout for the new header row, and an empty-state message when no providers match the query.

Confidence Score: 4/5

Safe to merge — the change is self-contained to a single settings page, and the core filtering and sorting logic is correct.

The filtering and sorting logic works correctly for all normal cases. The only issue is that the empty-state copy always says 'match your search' regardless of whether a search term is present, which could appear confusing in the edge case where all providers are filtered as internal/mock.

src/routes/(console)/project-[region]-[project]/auth/settings/+page.svelte — empty-state message wording when no search term is active.

Important Files Changed

Filename	Overview
src/routes/(console)/project-[region]-[project]/auth/settings/+page.svelte	Adds OAuth2 provider search with InputSearch, a filteredOAuthProviders derived state, empty-state UI, and responsive CSS. Logic is sound; minor issue with the empty-state message copy when no search term is active.

_{Reviews (1): Last reviewed commit: "Fix OAuth provider search ordering" | Re-trigger Greptile}

[greptile-apps]

The empty-state message always says "No OAuth2 providers match your search." even when oauthProviderSearch is empty (''). In that case the if (!search) return true branch makes the filter pass every valid provider, so the empty state would only be reached when all providers have been filtered by the !oAuthProvider || oAuthProvider.internal / mock checks — not because of a search. A conditional message keeps the copy accurate.

Suggested change

	<div class="oauth-providers-empty">
	<Typography.Text>No OAuth2 providers match your search.</Typography.Text>
	</div>
	<div class="oauth-providers-empty">
	<Typography.Text>
	{oauthProviderSearch.trim()
	? 'No OAuth2 providers match your search.'
	: 'No OAuth2 providers available.'}
	</Typography.Text>
	</div>