[MM-1915] Add Deactivate Account - server side (#8699)

model/config.go

@@ -1002,6 +1002,7 @@ type TeamSettings struct {
 	EnableTeamCreation                  *bool
 	EnableUserCreation                  *bool
 	EnableOpenServer                    *bool
+	EnableUserDeactivation              *bool
 	RestrictCreationToDomains           string
 	EnableCustomBrand                   *bool
 	CustomBrandText                     *string
@@ -1036,6 +1037,10 @@ func (s *TeamSettings) SetDefaults() {
 		s.EnableCustomBrand = NewBool(false)
 	}
 
+	if s.EnableUserDeactivation == nil {
+		s.EnableUserDeactivation = NewBool(false)
+	}
+
 	if s.CustomBrandText == nil {
 		s.CustomBrandText = NewString(TEAM_SETTINGS_DEFAULT_CUSTOM_BRAND_TEXT)
 	}