[K1, K2, CLI] Mark whole position range of compiler diagnostics in CLI

#KT-64989

compiler/testData/diagnostics/tests/operatorsOverloading/unresolvedOperator.diag.txt

@@ -1,9 +1,9 @@
 /unresolvedOperator.kt:6:6: error: unresolved reference: ++
     a++
-     ^
+     ^^
 /unresolvedOperator.kt:7:6: error: unresolved reference: --
     a--
-     ^
+     ^^
 /unresolvedOperator.kt:8:5: error: unresolved reference: +
     +a
     ^
@@ -16,7 +16,7 @@
 /unresolvedOperator.kt:11:7: error: unresolved reference: *
     a * a
       ^
-/unresolvedOperator.kt:12:10: error: unresolved reference. None of the following candidates is applicable because of receiver type mismatch:
+/unresolvedOperator.kt:12:10: error: unresolved reference. None of the following candidates is applicable because of receiver type mismatch: 
 public operator fun String?.plus(other: Any?): String defined in kotlin
     true + false
          ^
@@ -31,7 +31,8 @@ public operator fun String?.plus(other: Any?): String defined in kotlin
       ^
 /unresolvedOperator.kt:16:7: error: unresolved reference: ..
     a .. a
-      ^
+      ^^
 /unresolvedOperator.kt:17:7: error: unresolved reference: ..<
     a ..< a
-      ^
+      ^^^
+