[IR] Normalize temp var names in Kotlin-like dump

^KT-61983 Fixed

compiler/testData/ir/irText/declarations/inlineCollectionOfInlineClass.kt.txt

@@ -21,9 +21,9 @@ value class IT {
     when {
       other !is IT -> return false
     }
-    val tmp0_other_with_cast: IT = other as IT
+    val tmp_0: IT = other as IT
     when {
-      EQEQ(arg0 = <this>.#x, arg1 = tmp0_other_with_cast.#x).not() -> return false
+      EQEQ(arg0 = <this>.#x, arg1 = tmp_0.#x).not() -> return false
     }
     return true
   }
@@ -98,9 +98,9 @@ value class InlineMutableSet : MutableSet<IT> {
     when {
       other !is InlineMutableSet -> return false
     }
-    val tmp0_other_with_cast: InlineMutableSet = other as InlineMutableSet
+    val tmp_1: InlineMutableSet = other as InlineMutableSet
     when {
-      EQEQ(arg0 = <this>.#ms, arg1 = tmp0_other_with_cast.#ms).not() -> return false
+      EQEQ(arg0 = <this>.#ms, arg1 = tmp_1.#ms).not() -> return false
     }
     return true
   }