[JS IR] Emit original names for local vars to sourcemaps

#KT-35655 Fixed

compiler/testData/debug/localVariables/inlineProperty.kt

@@ -10,7 +10,7 @@ fun box() {
     y++
 }
 
-// EXPECTATIONS
+// EXPECTATIONS JVM JVM_IR
 // test.kt:8 box:
 // test.kt:2 <init>:
 // test.kt:8 box:
@@ -18,4 +18,13 @@ fun box() {
 // test.kt:4 box: a:A=A, this_$iv:A=A, $i$f$getS:int=0:int
 // test.kt:9 box: a:A=A
 // test.kt:10 box: a:A=A, y:int=1:int
-// test.kt:11 box: a:A=A, y:int=2:int
+// test.kt:11 box: a:A=A, y:int=2:int
+
+// EXPECTATIONS JS_IR
+// test.kt:8 box:
+// test.kt:2 <init>:
+// test.kt:4 box: a=A
+// test.kt:9 box: a=A
+// test.kt:10 box: a=A, y=1:number
+// test.kt:10 box: a=A, y=1:number
+// test.kt:11 box: a=A, y=2:number