fix(build): Ensure tree shaking works properly for ESM output #11122
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Apparently, webpack looks at
sideEffects
in the generated package.json, and based on this does not tree shake correctly 😬I also bumped webpack (one of the things I tried while debugging this...).
This now puts the original
sideEffects
value from the originalpackage.json
and puts it into the esm package.json.