fix: replace deprecated Text concatenation with HStack for iOS 26

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

ios/Platform/Platform/Features/Fitness/Views/MealSectionView.swift

@@ -45,12 +45,14 @@ struct MealSectionView: View {
 
                     Spacer()
 
+                    HStack(spacing: 2) {
                         Text("\(Int(totalCalories))")
                             .font(.title3.weight(.bold))
                             .foregroundStyle(Color.mealColor(for: mealType.rawValue))
-                    + Text(" kcal")
+                        Text("kcal")
                             .font(.caption.weight(.medium))
                             .foregroundStyle(Color.textSecondary)
+                    }
 
                     Image(systemName: "chevron.right")
                         .font(.caption.weight(.medium))