Rust: Address PR comments

rust/ql/lib/codeql/rust/dataflow/DataFlow.qll

@@ -19,7 +19,7 @@ module DataFlow {
    * The value of a parameter at function entry, viewed as a node in a data
    * flow graph.
    */
-  final class ParameterNode = Node::SourceParameterNode;
+  final class ParameterNode extends Node instanceof Node::SourceParameterNode { }
 
   final class PostUpdateNode = Node::PostUpdateNodePublic;
 

rust/ql/src/utils/modelgenerator/internal/CaptureModels.qll

@@ -20,7 +20,9 @@ module ModelGeneratorInput implements ModelGeneratorInputSig<Location, RustDataF
 
     Type getType() { any() }
 
-    Callable getEnclosingCallable() { result = super.getEnclosingCallable().asCfgScope() }
+    Callable getEnclosingCallable() {
+      result = this.(Node::Node).getEnclosingCallable().asCfgScope()
+    }
   }
 
   private predicate relevant(Function api) {
@@ -91,7 +93,7 @@ module ModelGeneratorInput implements ModelGeneratorInputSig<Location, RustDataF
   }
 
   Callable returnNodeEnclosingCallable(DataFlow::Node ret) {
-    result = ret.getEnclosingCallable().asCfgScope()
+    result = ret.(Node::Node).getEnclosingCallable().asCfgScope()
   }
 
   predicate isOwnInstanceAccessNode(RustDataFlow::ReturnNode node) {

rust/ql/test/utils-tests/modelgenerator/CaptureSummaryModels.ql

@@ -3,7 +3,7 @@ import utils.modelgenerator.internal.CaptureModels
 import utils.test.InlineMadTest
 
 module InlineMadTestConfig implements InlineMadTestConfigSig {
-  string getCapturedModel(Function c) { result = captureMixedFlow(c, _) }
+  string getCapturedModel(Function c) { result = ContentSensitive::captureFlow(c, _) }
 
   string getKind() { result = "summary" }
 }