Update Set-SPOSite.md

adding documentation for AllowWebPropertyBagUpdateWhenDenyAddAndCustomizePagesIsEnabled

Author: divyachapan

sharepoint/sharepoint-ps/sharepoint-online/Set-SPOSite.md

@@ -25,8 +25,9 @@ Set-SPOSite
  [-AddRestrictedAccessControlGroups [Guid[]]]
  [-AllowDownloadingNonWebViewableFiles <Boolean>]
  [-AllowEditing <Boolean>]
- [-AllowFileArchive <Boolean>]
+ [-AllowFileArchive <Boolean>] 
  [-AllowSelfServiceUpgrade <Boolean>]
+ [-AllowWebPropertyBagUpdateWhenDenyAddAndCustomizePagesIsEnabled <Boolean>]
  [-AnonymousLinkExpirationInDays <Int32>]
  [-AuthenticationContextAccessType <SPOAuthenticationContextPolicyAccessType>]
  [-AuthenticationContextName <String>]
@@ -363,6 +364,22 @@ Accept pipeline input: False
 Accept wildcard characters: False
 ```
 
+### -AllowWebPropertyBagUpdateWhenDenyAddAndCustomizePagesIsEnabled
+Enables or disables web property bag update when DenyAddAndCustomizePages is enabled. When AllowWebPropertyBagUpdateWhenDenyAddAndCustomizePagesIsEnabled is set to $true, web property bag can be updated even if DenyAddAndCustomizePages is turned on when the user had AddAndCustomizePages (prior to DenyAddAndCustomizePages removing it).
+
+PARAMVALUE: True | False
+
+```yaml
+Type: Boolean
+Parameter Sets: (All)
+Applicable: SharePoint Online
+Required: False
+Position: Named
+Default value: False
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
 ### -Confirm
 
 Prompts you for confirmation before running the cmdlet.