Introduces a filter to the `block_bindings_source_value` to allow developers to
modify the value returned by any block binding source.
Props snehapatil02, cbravobernal, gziolo, santosguillamot, bacoords, codersantosh.
Fixes#61181.
Built from https://develop.svn.wordpress.org/trunk@58972
git-svn-id: http://core.svn.wordpress.org/trunk@58368 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Adds logic that fixes the limitation for souces by allowing merging the `uses_context` defined by block bindings sources into supported block types. Each source defines the context it needs and it is added to the block types that are using the block bindings API.
Fixes#60525.
Props santosguillamot, gziolo, czapla, thekt12.
Built from https://develop.svn.wordpress.org/trunk@57641
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cbravobernal
John Blackbourn
gziolo