fix(flags): Make sure we don't override flags when decide is disabled

[neilkakkar]

Changes

Noticed thanks to a bug report that advanced_disable_feature_flags setting was emptying flags. The test didn't catch this because it was returning extra flags using a mocked decide response when it shouldn't :/

...

Checklist

• Tests for new code (see advice on the tests we use)
• Accounted for the impact of any changes across different browsers

[github-actions]

Size Change: +444 B (0%)

Total Size: 743 kB

Filename	Size	Change
dist/array.full.js	176 kB	+111 B (0%)
dist/array.js	117 kB	+111 B (0%)
dist/es.js	117 kB	+111 B (0%)
dist/module.js	117 kB	+111 B (0%)

ℹ️ View Unchanged

Filename	Size
dist/exception-autocapture.js	12 kB
dist/recorder-v2.js	104 kB
dist/recorder.js	58.4 kB
dist/surveys.js	41.5 kB

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