Fix snow worker trainer causing crash

public/images/trainer/snow_worker_f.json

@@ -0,0 +1,41 @@
+{
+	"textures": [
+		{
+			"image": "snow_worker_f.png",
+			"format": "RGBA8888",
+			"size": {
+				"w": 74,
+				"h": 74
+			},
+			"scale": 1,
+			"frames": [
+				{
+					"filename": "0001.png",
+					"rotated": false,
+					"trimmed": false,
+					"sourceSize": {
+						"w": 35,
+						"h": 74
+					},
+					"spriteSourceSize": {
+						"x": 0,
+						"y": 0,
+						"w": 35,
+						"h": 74
+					},
+					"frame": {
+						"x": 0,
+						"y": 0,
+						"w": 35,
+						"h": 74
+					}
+				}
+			]
+		}
+	],
+	"meta": {
+		"app": "https://www.codeandweb.com/texturepacker",
+		"version": "3.0",
+		"smartupdate": "$TexturePacker:SmartUpdate:6bad32daffd14d5a21c9b090c23b87ea:0b8b4c8146d9853ebe149c44d58484c7:4f90b07dc4792fdf9004b880b7277b97$"
+	}
+}

public/images/trainer/snow_worker_m.json

@@ -1,7 +1,7 @@
 {
 	"textures": [
 		{
-			"image": "snow_worker.png",
+			"image": "snow_worker_m.png",
 			"format": "RGBA8888",
 			"size": {
 				"w": 183,