chore(tangle-dapp): Update Chain selection menu dropdown

[vutuanlinh2k2]

Summary of changes

Provide a detailed description of proposed changes.

• Update UI for hover and disable state for ChainListCard
• Update Storybook for ChainListCard

Proposed area of change

Put an x in the boxes that apply.

• [ ] apps/bridge-dapp
• [ ] apps/hubble-stats
• [ ] apps/stats-dapp
• [ ] apps/tangle-dapp
• [ ] apps/testnet-leaderboard
• [ ] apps/faucet
• [ ] apps/zk-explorer
• [x] libs/webb-ui-components

Reference issue to close (if applicable)

Specify any issues that can be closed from these changes (e.g. Closes #233).

• Closes #2458

Screen Recording

If possible provide a screen recording of proposed change.

https://github.com/user-attachments/assets/4e523989-baba-405f-b9f3-3acdbbc4381a

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Code Checklist

Please be sure to add .stories documentation if any additions are made to libs/webb-ui-components.

• [x] I have added tests that prove my fix is effective or that my feature works
• [x] I have added necessary documentation (if appropriate)

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[drewstone]

CI failing @vutuanlinh2k2