fix(dashboard): hide empty analysis card from verify-permission holders

[lucca65]

Problem

Report (muda, 2026-07-07): a regular member ("Cissa") suddenly had "access to analyze actions", with an empty queue — she was never made an approver.

Root cause: #994 surfaced the dashboard analysis/timeline cards to any holder of the Verify permission so they could reach claims on role-based actions (empty validator list). But the default member role carries verify for the entire community:

0,MUDA member {invite,claim,order,verify,sell,transfer}

So all 6,966 muda members (and the equivalent in nearly every community) now saw an empty "actions for analysis" card. The only matching pending claims in muda are 2020–2021, filtered by backend #346's 2-year queue cutoff → empty queue.

Fix

• Explicit validators unchanged — always see their analysis card.
• Verify-only holders now see it only when they actually have votable claims waiting (analysis.count > 0). The dashboard already fetches available analysis unconditionally on init, so no extra query.

On-chain signing/voting path untouched; the contract stays the authority (a verify holder with a stray votable claim still reaches it, and can still vote via direct link regardless).

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