ci(egress-audit): BASELINE_REWALK back to 'false' after #11198
This is a one-line change. #11198 set BASELINE_REWALK: 'true' for the one change that baselined the 6 shared sidebar and footer links on /pages/inbox/mailbox, /pages/settings/inbox-mailboxes, /pages/settings/inbox-providers and /pages/organization/projects/view/:id. The workflow's own comment says the next change sets it back to 'false', and this PR is that change. It is the same pair as #10858 / #10861.
With 'false' restored, any later addition to ui-baseline.json fails the plain shrink check, as intended. The baseline itself does not change.
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Summary by cubic
Restores BASELINE_REWALK to 'false' in the egress-audit workflow now that #11198 has baselined the six shared sidebar and footer links on the inbox and project view routes.
With rewalk disabled again, any addition to ui-baseline.json fails the plain shrink check as intended. The baseline itself is unchanged.