build: keep the evidence-view permission under the UI plan

The UI's sample-row reads will require view.evidence, so XSB077 excepts
Action::ViewEvidence with that reason instead of reporting it.

Author: kvlonge

fensu.toml

@@ -1567,6 +1567,7 @@ construction_required = [
     "Action=A permission is live only when a route requires it; role tables and classifiers do not count.",
 ]
 exceptions = [
+    "Action::ViewEvidence=Kept under D129; reader comes with the UI epic.",
     "InaccessibleReason=Wire enum that serde builds from Python scope records.",
     "RoleDecision::Rejected=Serde builds it from an administrator's decide request.",
     "ScopeDiagnosticCode=Wire enum that serde builds from Python scope diagnostics.",