fix: 更新FeedHasField和FruitPlatter的targetFields，优化FieldShow的节点结构

components/UI/FieldShow.tscn

@@ -1,6 +1,7 @@
-[gd_scene load_steps=3 format=3 uid="uid://cw5ip3rw4r3pp"]
+[gd_scene load_steps=4 format=3 uid="uid://cw5ip3rw4r3pp"]
 
 [ext_resource type="Script" path="res://scripts/Statemachine/FieldShow.gd" id="1_gwocj"]
+[ext_resource type="Texture2D" uid="uid://iu5i8ullbhf6" path="res://resources/items/apple.svg" id="2_q02yi"]
 [ext_resource type="Theme" uid="uid://b6nox1qqh50ub" path="res://themes/smallText.tres" id="2_x62bb"]
 
 [node name="FieldShow" type="HBoxContainer"]
@@ -9,6 +10,15 @@ offset_bottom = 18.0
 script = ExtResource("1_gwocj")
 metadata/_edit_horizontal_guides_ = [18.0]
 
+[node name="icon" type="TextureRect" parent="."]
+custom_minimum_size = Vector2(14, 14)
+layout_mode = 2
+size_flags_horizontal = 4
+size_flags_vertical = 4
+texture = ExtResource("2_q02yi")
+expand_mode = 1
+stretch_mode = 5
+
 [node name="name" type="Label" parent="."]
 unique_name_in_owner = true
 layout_mode = 2