Debugger: Fix evaluation of function declarations with expression bodies (KT-32704)

Before this commit, the substituted FunctionDescriptor didn't have a source element.
As a result, 'CodeFragmentParameterAnalyzer.isCodeFragmentDeclaration' failed to recognize such a descriptor as fragment-local, and it was erroneously captured.

idea/jvm-debugger/jvm-debugger-test/test/org/jetbrains/kotlin/idea/debugger/test/KotlinEvaluateExpressionTestGenerated.java

@@ -190,6 +190,11 @@ public class KotlinEvaluateExpressionTestGenerated extends AbstractKotlinEvaluat
             runTest("idea/jvm-debugger/jvm-debugger-test/testData/evaluation/singleBreakpoint/functionDeclaration.kt");
         }
 
+        @TestMetadata("functionWithBodyExpression.kt")
+        public void testFunctionWithBodyExpression() throws Exception {
+            runTest("idea/jvm-debugger/jvm-debugger-test/testData/evaluation/singleBreakpoint/functionWithBodyExpression.kt");
+        }
+
         @TestMetadata("genericCrossinlineArgument.kt")
         public void testGenericCrossinlineArgument() throws Exception {
             runTest("idea/jvm-debugger/jvm-debugger-test/testData/evaluation/singleBreakpoint/genericCrossinlineArgument.kt");

idea/jvm-debugger/jvm-debugger-test/testData/evaluation/singleBreakpoint/functionWithBodyExpression.kt

@@ -0,0 +1,6 @@
+package functionWithBodyExpression
+
+fun main() {
+    //Breakpoint!
+    val a = 5
+}

idea/jvm-debugger/jvm-debugger-test/testData/evaluation/singleBreakpoint/functionWithBodyExpression.kt.fragment

@@ -0,0 +1,4 @@
+fun f2() = "f2"
+f2()
+
+// RESULT: "f2": Ljava/lang/String;

idea/jvm-debugger/jvm-debugger-test/testData/evaluation/singleBreakpoint/functionWithBodyExpression.out

@@ -0,0 +1,11 @@
+LineBreakpoint created at functionWithBodyExpression.kt:5
+Run Java
+Connected to the target VM
+functionWithBodyExpression.kt:5
+Compile bytecode for fun f2() = "f2"
+f2()
+
+// RESULT: "f2": Ljava/lang/String;
+Disconnected from the target VM
+
+Process finished with exit code 0