[WV-4524] Ballot one-candidate endorsements column iter #3

[ric0de]

• Compact endorsement row redesign: positive-only, heart count + thumbs-down icons (no pill), truncated speaker name, consistent right-aligned toggle
• Click endorsement statement text -> opens new EndorsementDetailModal (uses ModalDisplayTemplateB, scrollable for long content, X close + bottom Close button)
• "See more opinions" link relabeled and indented to align with speaker names
• Sort opinions by organization followers count (desc), with OrganizationStore listener so order updates as counts hydrate
• Triple dots in MakePublicVisibilityRow open the Edit Opinion modal in a new visibility-only mode (hides opinion textarea + stance row, save button reads "Update visibility")
• Chat bubble now always renders alongside the visibility row instead of swapping with it
• Fix candidate title in Edit Opinion modal: read from CandidateStore + MeasureStore with proper listeners (no more dead allCachedPoliticians lookup)
• MeasureInfoModal: show proposition name + subtitle inside the Description tab; capitalize first letter of YES/NO descriptions
• Extract resolveOrganizationWeVoteId + getPositionFollowersCount into shared opinionsHelpers

[DaleMcGrew]

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