feat(repack): resolve scale automatically for inlined assets

[jbroma]

Summary

Added automatic scale resolution for inlined assets. This change only affects scaled inlined assets.
This resolves an issue where an unstyled Image with inlined source was not being displayed (the width & height won't be picked up properly unless it's a single URISource

Result of inlining scaled asset before:

[
  {
    uri: 'data:image/png;base64,...',
    scale: 1,
    width: 10,
    height: 10,
  },
  {
    uri: 'data:image/png;base64,...',
    scale: 2,
    width: 10,
    height: 10,
  },
]

Result of inlining scaled asset after:

{
  uri: 'data:image/png;base64,...',
  scale: 2,   // only the matching scale gets picked up
  width: 10,
  height: 10,
},

Test plan

• UI tests

[changeset-bot]

🦋 Changeset detected

Latest commit: 99ba5e3

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 2 packages

Name	Type
@callstack/repack	Minor
testerapp	Patch

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