ColumnVisibilityChanging/Changed events throw exception - cannot read properties of undefined

[mddifilippo89]

Description

exceptions are thrown for column visibility changing/changed events.

Steps to reproduce

1. Run sample
2. Use column chooser icon (top right)
3. Uncheck a column

Result

igniteui-angular-elements.8178e307a7b3c266c3e4.bundle.js:1 Uncaught TypeError: Cannot read properties of undefined (reading 'toArray')
at get columnChildren (igniteui-angular-elements.8178e307a7b3c266c3e4.bundle.js:1:888425)
at h.getClone (app.b21fd74f6c640e6cbaa8.bundle.js:2:858319)
at h.getClone (app.b21fd74f6c640e6cbaa8.bundle.js:2:858330)
at h.replacerFunc (app.b21fd74f6c640e6cbaa8.bundle.js:2:859767)
at Object. (app.b21fd74f6c640e6cbaa8.bundle.js:2:859950)
at JSON.stringify ()
at h.stringify (app.b21fd74f6c640e6cbaa8.bundle.js:2:859914)
at R (app.b21fd74f6c640e6cbaa8.bundle.js:2:869007)
at app.b21fd74f6c640e6cbaa8.bundle.js:2:870919
at s. (igniteui-angular-elements.8178e307a7b3c266c3e4.bundle.js:1:29482)

Expected result

no exception, console logs show up.

Attachments

column-hiding-options (column visibility events).zip

[mddifilippo89]

New issue has arised and old issue no longer occurs in B

Uncaught TypeError: Converting circular structure to JSON
--> starting at object with constructor 'Object'
| property 'cdr' -> object with constructor 'Object'
| property 'value' -> object with constructor 'Object'
| property 'context' -> object with constructor 'Object'
--- property 'value' closes the circle
at JSON.stringify ()
at h.stringify (app.025a647ac752ee98700f.bundle.js:2:901195)
at R (app.025a647ac752ee98700f.bundle.js:2:910349)
at app.025a647ac752ee98700f.bundle.js:2:912308
at s. (igniteui-angular-elements.852df829b3175b4568ca.bundle.js:1:12317)
at s.invokeTask (igniteui-angular-elements.852df829b3175b4568ca.bundle.js:1:20950)
at e.runTask (igniteui-angular-elements.852df829b3175b4568ca.bundle.js:1:16264)
at invokeTask (igniteui-angular-elements.852df829b3175b4568ca.bundle.js:1:22021)
at n.useG.invoke (igniteui-angular-elements.852df829b3175b4568ca.bundle.js:1:21923)
at i.args. (igniteui-angular-elements.852df829b3175b4568ca.bundle.js:1:11947)