Give the foliage two green tones and fix the textured_solid import bug

assets/models/blender/manifest.json

@@ -773,7 +773,8 @@
       "category": "props",
       "materials": [
         "palm_bark",
-        "palm_leaf"
+        "palm_leaf",
+        "palm_leaf_dark"
       ],
       "path": "assets/models/blender/props/palm_tree.glb",
       "triangles": 400,
@@ -819,7 +820,8 @@
       "materials": [
         "stone_pot",
         "soil",
-        "foliage"
+        "foliage",
+        "foliage_dark"
       ],
       "path": "assets/models/blender/props/planter_box.glb",
       "replaces": "generated/planter_box.glb",
@@ -892,7 +894,8 @@
       "category": "props",
       "materials": [
         "stone_pot",
-        "foliage"
+        "foliage",
+        "foliage_dark"
       ],
       "path": "assets/models/blender/props/round_planter.glb",
       "triangles": 1240,