CSS encapsulation broken in FilePicker (v3.24.0)

[MaxKovivchak]

Category

Bug

Version

3.24.0

Expected / Desired Behavior / Question

Styles in FilePicker should be scoped (CSS modules), e.g.:
.header_xxxxx { ... }

Observed Behavior

After upgrading to 3.24.0, styles are no longer scoped and appear as global:
.header { clip: rect(0,0,0,0); }

Steps to Reproduce

• SPFx 1.21.1 project

• Install:
  npm install @pnp/spfx-controls-react@3.24.0

• Use FilePicker

• Run:
  gulp bundle --ship

• Check release/assets/chunk.*.js → styles are not scoped

Check the attachments

Thanks!

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