Debugger: Fix breakpoints and stepping on a first line (KT-33304)

This commit fixes the 'SmartStepIntoTestGenerated#testFunWithExpressionBody' test.

idea/jvm-debugger/jvm-debugger-test/testData/breakpointApplicability/inlineOnly.kt

@@ -1,4 +1,4 @@
-fun foo() {
+fun foo() { /// M
     require(true) { "foo" } /// *, L, λ
 
     require(true) { val a = 5 } /// *, L, λ

idea/jvm-debugger/jvm-debugger-test/testData/breakpointApplicability/locals.kt

@@ -1,4 +1,4 @@
-fun foo1() {
+fun foo1() { /// M
     // We don't support function breakpoints for local functions yet
     fun local() { /// L
         println() /// L

idea/jvm-debugger/jvm-debugger-test/testData/breakpointApplicability/properties.kt

@@ -1,4 +1,4 @@
-class Foo1 {
+class Foo1 { /// M
     val x: String /// F, L
         get() = "foo" /// M
 }