ref: cleanup og meta serialization

[JonasBa]

Reorders and reuses calls to tolowercase

related to #1271

[changeset-bot]

🦋 Changeset detected

Latest commit: fd59762

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

This PR includes changesets to release 19 packages

Name	Type
rrweb-snapshot	Major
rrweb	Major
rrdom	Major
rrdom-nodejs	Major
rrweb-player	Major
@rrweb/all	Major
@rrweb/replay	Major
@rrweb/record	Major
@rrweb/types	Major
@rrweb/packer	Major
@rrweb/utils	Major
@rrweb/web-extension	Major
rrvideo	Major
@rrweb/rrweb-plugin-console-record	Major
@rrweb/rrweb-plugin-console-replay	Major
@rrweb/rrweb-plugin-sequential-id-record	Major
@rrweb/rrweb-plugin-sequential-id-replay	Major
@rrweb/rrweb-plugin-canvas-webrtc-record	Major
@rrweb/rrweb-plugin-canvas-webrtc-replay	Major

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