Improvement: Avoid using index as a key

[AndlerRL]

          **Avoid using index as a key in `LazyImage`.**

Using the index as a key can lead to performance issues and incorrect component state.

Consider using a unique identifier from the data as the key.

- key={`content-${image}-${index}`}
+ key={image.url}

Committable suggestion

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                          key={image.url}

Tools

Biome

[error] 146-146: Avoid using the index of an array as key property in an element.

This is the source of the key value.

The order of the items may change, and this also affects performances and component state.
Check the React documentation.

(lint/suspicious/noArrayIndexKey)

Originally posted by @coderabbitai[bot] in #324 (comment)

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Like this issue above, there are some other places that we set the key with index. We must work on those areas too and to add missing keys.