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

#KT-64989

compiler/testData/cli/jvm/jspecifyDefault.out

@@ -1,7 +1,7 @@
 compiler/testData/cli/jvm/jspecifyUsage.kt:2:11: warning: Java type mismatch: inferred type is 'kotlin.Nothing?', but 'kotlin.String' was expected.
     a.foo(null)
-          ^
+          ^^^^
 compiler/testData/cli/jvm/jspecifyUsage.kt:3:5: warning: only safe (?.) or non-null asserted (!!.) calls are allowed on a nullable receiver of type 'kotlin.String?'.
     a.bar().hashCode()
-    ^
+    ^^^^^^^
 OK