chore: Prepare bbn-test-6 wallet config

[filippos47]

No description provided.

[Copilot]

Pull Request Overview

This PR updates the Babylon testnet configuration from bbn-test-5 to bbn-test-6 across multiple components in the codebase. This appears to be a routine testnet upgrade preparation.

• Updates chain ID references from "bbn-test-5" to "bbn-test-6"
• Updates corresponding logo URL paths to match the new testnet version
• Ensures consistency across wallet connector, staking service, and BSN registry components

Reviewed Changes

Copilot reviewed 3 out of 4 changed files in this pull request and generated no comments.

File	Description
services/simple-staking/src/ui/common/config/network/bbn/testnet.ts	Updates chain ID in staking service testnet configuration
packages/babylon-wallet-connector/src/components/WalletProvider/tesnet.ts	Updates chain ID in wallet provider testnet configuration
packages/babylon-bsn-registry/src/testnet.json	Updates testnet registry entry with new chain ID and logo URL path

Comments suppressed due to low confidence (1)

packages/babylon-wallet-connector/src/components/WalletProvider/tesnet.ts:1

• Corrected spelling of 'tesnet' to 'testnet'.

import { ChainInfo } from "@keplr-wallet/types";

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