Incorrect error message for index declaration parser

[JesseCodeBones]

This issue is from existed issue 2296.
parseClassMember function has an incorrect error message at line 2098:

          this.error(
            DiagnosticCode._0_modifier_cannot_be_used_here,
            tn.range(accessStart, accessEnd), "protected"
          ); // recoverable
        }

[JesseCodeBones]

close this issue as the PR had been merged