fix: add contentShape to all tappable rows so entire row area registers taps

Adds .contentShape(Rectangle()) or .contentShape(Capsule()) to 11 buttons,
NavigationLinks, and onTapGesture handlers across 8 files where only the
visible content (text/icons) was receiving taps instead of the full row.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

SportsTime/Features/Polls/Views/PollDetailView.swift

@@ -318,6 +318,7 @@ struct PollDetailView: View {
                     selectedTrip = trip
                 } label: {
                     TripPreviewCard(trip: trip, index: index + 1)
+                        .contentShape(Rectangle())
                 }
                 .buttonStyle(.plain)
             }

SportsTime/Features/Polls/Views/PollsListView.swift

@@ -87,6 +87,7 @@ struct PollsListView: View {
             ForEach(polls) { poll in
                 NavigationLink(value: poll) {
                     PollRowView(poll: poll)
+                        .contentShape(Rectangle())
                 }
             }
         }