fix(siwx): preserve unrelated local storage sessions on delete

[grandpig]

Description

Fix LocalStorage.delete() in the SIWX package so that it only removes sessions matching both the requested chain ID and account address.

The existing filter uses:

session.data.chainId !== chainId &&
  session.data.accountAddress !== address

This unintentionally removes unrelated sessions when either the chain ID or account address matches.
For example, deleting (eip155:1, 0xAAA) also removes:

(eip155:1, 0xBBB)
(eip155:137, 0xAAA)

The filter now uses ||, preserving every session except those matching both identifiers.

Regression coverage verifies that:

• the matching chain and address session is removed;
• a session with the same chain and a different address is preserved;
• a session with a different chain and the same address is preserved;
• a session with a different chain and address is preserved;
• duplicate sessions matching both identifiers are all removed.

Type of change

• Chore (non-breaking change that addresses non-functional tasks, maintenance, or code quality improvements)
• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Associated Issues

N/A — small, self-contained bug fix.

Showcase (Optional)

N/A — no UI changes.

Checklist

• Code in this PR is covered by automated tests (Unit tests, E2E tests)
• My changes generate no new warnings
• I have reviewed my own code
• I have filled out all required sections
• I have tested my changes on the preview link
• Approver of this PR confirms that the changes are tested on the preview link

[changeset-bot]

🦋 Changeset detected

Latest commit: 76019e0

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 26 packages

Name	Type
@reown/appkit-siwx	Patch
@reown/appkit	Patch
@reown/appkit-adapter-bitcoin	Patch
@reown/appkit-adapter-ethers	Patch
@reown/appkit-adapter-ethers5	Patch
@reown/appkit-adapter-solana	Patch
@reown/appkit-adapter-ton	Patch
@reown/appkit-adapter-tron	Patch
@reown/appkit-adapter-wagmi	Patch
@reown/appkit-common	Patch
@reown/appkit-universal-connector	Patch
@reown/appkit-ui	Patch
@reown/appkit-controllers	Patch
@reown/appkit-core	Patch
@reown/appkit-utils	Patch
@reown/appkit-scaffold-ui	Patch
@reown/appkit-polyfills	Patch
@reown/appkit-wallet	Patch
@reown/appkit-siwe	Patch
@reown/appkit-wallet-button	Patch
@reown/appkit-cdn	Patch
@reown/appkit-experimental	Patch
@reown/appkit-testing	Patch
@reown/appkit-cli	Patch
@reown/appkit-pay	Patch
@reown/appkit-codemod	Patch

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[github-actions]

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[grandpig]

I have read the CTA Document and I hereby sign the CTA

[grandpig]

It seems that the CI failure is unrelated to this change

[grandpig]

@hilljessica8787-dot @svenvoskamp Hi! Since you've recently reviewed changes in the SIWX package, would you mind taking a look at this small LocalStorage bug fix when you have a chance? It includes regression coverage. Thanks!