JVM IR: Make inlining in $default stubs compatible with the JVM BE

The JVM BE inlines calls to the underlying function in a $default stub
verbatim, e.g., without renaming LVT entries or regenerating anonymous
objects. This commit introduces the same behavior in the JVM IR BE.

Fixes KT-36769.

compiler/testData/debug/stepping/functionCallWithDefault.kt

@@ -11,11 +11,6 @@ fun foo(i: Int = 1) {
 inline fun bar(i: Int = 1) {
 }
 
-// The JVM_IR backend has line number 11 for the inlined
-// default argument handling both before and after the actual
-// body of bar. That is consistent with what happens with the
-// $default method in the non-inlined case.
-
 // FORCE_STEP_INTO
 // LINENUMBERS
 // test.kt:4 box
@@ -25,7 +20,4 @@ inline fun bar(i: Int = 1) {
 // test.kt:5 box
 // test.kt:11 box
 // test.kt:12 box
-// LINENUMBERS JVM_IR
-// test.kt:11 box
-// LINENUMBERS
 // test.kt:6 box