FoodFinder: increase maxFoodTypeLength from 20 to 50

The 20-char limit was truncating food names (e.g. "Baked pastry with f…")
which made them unreadable in LoopInsights Meal Insights. The RowEmojiTextField
maxLength only restricts keyboard input, so longer programmatic values are safe.

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

Author: taylorpatterson-T1D

Loop/View Models/FoodFinder/FoodFinder_SearchViewModel.swift

@@ -298,7 +298,7 @@ final class FoodFinder_SearchViewModel: ObservableObject {
         }
 
         // Determine food type from the AI result (truncate to fit RowEmojiTextField maxLength)
-        let maxFoodTypeLength = 20
+        let maxFoodTypeLength = 50
         let foodType: String = {
             let names = included.map { $0.name }
             let raw: String
@@ -857,7 +857,7 @@ final class FoodFinder_SearchViewModel: ObservableObject {
         downloadProductThumbnail(for: product)
 
         // Populate food type (truncate to 20 chars to fit RowEmojiTextField maxLength)
-        let maxFoodTypeLength = 20
+        let maxFoodTypeLength = 50
         let foodType: String
         if product.displayName.count > maxFoodTypeLength {
             let truncatedName = String(product.displayName.prefix(maxFoodTypeLength - 1)) + "…"
@@ -989,7 +989,7 @@ final class FoodFinder_SearchViewModel: ObservableObject {
         #endif
 
         // Determine food type from the selected product
-        let maxFoodTypeLength = 20
+        let maxFoodTypeLength = 50
         let foodType: String
         if selectedFood.displayName.count > maxFoodTypeLength {
             foodType = String(selectedFood.displayName.prefix(maxFoodTypeLength - 1)) + "…"
@@ -1315,7 +1315,7 @@ final class FoodFinder_SearchViewModel: ObservableObject {
         lastAIAnalysisResult = currentResult
 
         // Determine food type (truncate to fit RowEmojiTextField maxLength)
-        let maxFoodTypeLength = 20
+        let maxFoodTypeLength = 50
         let foodNames = currentResult.foodItemsDetailed.map { $0.name }
         let foodType: String
         let rawFoodType: String