0.15 Editorial Pass 2

[cart]

• Pares down the picking example to its bare essentials
• Adapts property animation to use the changes in AnimatedField and Rework Evaluators bevy#16484
• Adds some clarity to the animation mask section

[alice-i-cecile]

We shouldn't merge this until the linked animation PR lands, to make sure we're actually showing the final API.

[alice-i-cecile]

I like these changes! It's a bit sad not to have the code snippet not be runnable via copy-paste, but that's fine.

[cart]

I like these changes! It's a bit sad not to have the code snippet not be runnable via copy-paste, but that's fine.

Definitely a loss, but imo we should always prioritize space + reader-mental-bandwidth in blog posts

[cart]

Just accounted for changes in bevyengine/bevy#16484. This should be ready to merge once that lands

[cart]

Merging this now as I've kicked off the merge of bevyengine/bevy#16484