Fix Webview height for TokenCards

[JamesSmartCell]

Fixes issue where webview height in the tokencard view* was way too long.

• NFT Detail where there's a TokenScript with a Token Card view.

[github-actions[bot]]

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Stats of the last 30 days for alpha-wallet-android:		User	Total reviews	Time to review	Total comments

[codecov[bot]]

Codecov Report

Attention: 1 lines in your changes are missing coverage. Please review.

Files	Coverage Δ
...com/alphawallet/app/ui/NFTAssetDetailActivity.java	0.00% <0.00%> (ø)

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