AllowEditInvariantFromNonDefault : Fix property write guard to use correct variant ID (closes #20250)#20277

AndyButland merged 1 commit intomainumbraco/Umbraco-CMS:mainfrom

v16/bugfix/Non-variant-property-not-disabled-in-other-languages-than-defaultumbraco/Umbraco-CMS:v16/bugfix/Non-variant-property-not-disabled-in-other-languages-than-defaultCopy head branch name to clipboard