Fixes for performance-exp

[jposuna]

• Importing installations in performance-exp/index.ts
• Fixing the location of the typings in firebase-exp/performance

[changeset-bot]

⚠️ No Changeset found

Latest commit: 14713c1

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[google-oss-bot]

Binary Size Report

Affected SDKs

No changes between base commit (7c1c7f1) and head commit (b6ae17e).

Test Logs

• Base (7c1c7f18): https://github.com/firebase/firebase-js-sdk/actions/runs/277434455
• Head (b6ae17e4): https://github.com/firebase/firebase-js-sdk/actions/runs/277437571

[google-oss-bot]

Size Analysis Report

Affected Products

@firebase/performance-exp

• getPerformance

  Size

  Type	Base (7c1c7f1)	Head (b6ae17e)	Diff
  size	16.8 kB	16.8 kB	+36 B (+0.2%)
  size_with_ext_deps	21.8 kB	33.8 kB	+12.0 kB (+54.9%)

• registerPerformance

  Size

  Type	Base (7c1c7f1)	Head (b6ae17e)	Diff
  size	16.7 kB	16.7 kB	+36 B (+0.2%)
  size_with_ext_deps	21.7 kB	33.7 kB	+12.1 kB (+55.6%)

• trace

  Size

  Type	Base (7c1c7f1)	Head (b6ae17e)	Diff
  size	16.7 kB	16.7 kB	+36 B (+0.2%)
  size_with_ext_deps	21.7 kB	33.8 kB	+12.1 kB (+55.5%)

Test Logs

• Base (7c1c7f18): https://github.com/firebase/firebase-js-sdk/actions/runs/277434455
• Head (b6ae17e4): https://github.com/firebase/firebase-js-sdk/actions/runs/277437571