Move knownAssetsGenerator to instance vars

Sources/TuistGenerator/Generator/ProjectDescriptorGenerator.swift

@@ -54,6 +54,9 @@ final class ProjectDescriptorGenerator: ProjectDescriptorGenerating {
     /// Generator for the project schemes.
     let schemeDescriptorsGenerator: SchemeDescriptorsGenerating
 
+    /// Generator for the project known asset tags associated with on-demand resources.
+    let knownAssetTagsGenerator: KnownAssetTagsGenerating
+
     // MARK: - Init
 
     /// Initializes the project generator with its attributes.
@@ -62,14 +65,17 @@ final class ProjectDescriptorGenerator: ProjectDescriptorGenerating {
     ///   - targetGenerator: Generator for the project targets.
     ///   - configGenerator: Generator for the project configuration.
     ///   - schemeDescriptorsGenerator: Generator for the project schemes.
+    ///   - knownAssetTagsGenerator: Generator for the project known asset tags associated with on-demand resources.
     init(
         targetGenerator: TargetGenerating = TargetGenerator(),
         configGenerator: ConfigGenerating = ConfigGenerator(),
-        schemeDescriptorsGenerator: SchemeDescriptorsGenerating = SchemeDescriptorsGenerator()
+        schemeDescriptorsGenerator: SchemeDescriptorsGenerating = SchemeDescriptorsGenerator(),
+        knownAssetTagsGenerator: KnownAssetTagsGenerating = KnownAssetTagsGenerator()
     ) {
         self.targetGenerator = targetGenerator
         self.configGenerator = configGenerator
         self.schemeDescriptorsGenerator = schemeDescriptorsGenerator
+        self.knownAssetTagsGenerator = knownAssetTagsGenerator
     }
 
     // MARK: - ProjectGenerating
@@ -296,7 +302,7 @@ final class ProjectDescriptorGenerator: ProjectDescriptorGenerating {
         var attributes: [String: Any] = [:]
 
         // On Demand Resources tags
-        if let knownAssetTags = try? KnownAssetTagsGenerator().generate(project: project), !knownAssetTags.isEmpty {
+        if let knownAssetTags = try? knownAssetTagsGenerator.generate(project: project), !knownAssetTags.isEmpty {
             attributes["KnownAssetTags"] = knownAssetTags
         }