[CLI] Fix error mesage regargin mixed -Xsuppress-warning and -Xwarning-level

^KT-76957 Fixed

Author: demiurg906

compiler/cli/cli-common/src/org/jetbrains/kotlin/cli/common/arguments/CommonCompilerArgumentsConfigurator.kt

@@ -184,10 +184,12 @@ open class CommonCompilerArgumentsConfigurator {
                 }
                 val existing = put(name, level)
                 if (existing != null) {
-                    collector.report(
-                        CompilerMessageSeverity.ERROR,
+                    val message = if (name in suppressedDiagnostics) {
+                        "Severity of $name is configured both with -Xwarning-level and -Xsuppress-warning flags"
+                    } else {
                         "-Xwarning-level is duplicated for warning $name"
-                    )
+                    }
+                    collector.report(CompilerMessageSeverity.ERROR, message)
                 }
             }
         }

compiler/testData/cli/jvm/XsupressWarnings/multipleWarningSuppressionWithDifferentArgs.out

@@ -1,3 +1,3 @@
 warning: argument "-Xsuppress-warning" is deprecated. Use "-Xwarning-level=UNCHECKED_CAST:disabled" instead
-error: -Xwarning-level is duplicated for warning UNCHECKED_CAST
+error: severity of UNCHECKED_CAST is configured both with -Xwarning-level and -Xsuppress-warning flags
 COMPILATION_ERROR