Fix issue causing asset dependencies to be ignored (#438)

* Fix issue causing asset dependencies to be ignored

* [skip ci] Bump importer version for Hybrid as well

Author: pbbastian

com.unity.shadergraph/Editor/Importers/ShaderGraphImporter.cs

@@ -20,9 +20,9 @@ namespace UnityEditor.ShaderGraph
     // sure that all shader graphs get re-imported. Re-importing is required,
     // because the shader graph codegen is different for V2.
     // This ifdef can be removed once V2 is the only option.
-    [ScriptedImporter(101, Extension, 3)]
+    [ScriptedImporter(102, Extension, 3)]
 #else
-    [ScriptedImporter(33, Extension, 3)]
+    [ScriptedImporter(34, Extension, 3)]
 #endif
 
     class ShaderGraphImporter : ScriptedImporter
@@ -180,7 +180,7 @@ internal static string GetShaderText(string path, out List<PropertyCollector.Tex
                 var generator = new Generator(graph, graph.outputNode, GenerationMode.ForReals, shaderName);
                 shaderString = generator.generatedShader;
                 configuredTextures = generator.configuredTextures;
-                sourceAssetDependencyPaths = generator.assetDependencyPaths;
+                sourceAssetDependencyPaths.AddRange(generator.assetDependencyPaths);
 
                 if (graph.messageManager.AnyError())
                 {