Kristiyan Kostadinov 1d1304c70c fix(forms): error if control is removed as a result of another one being reset (#40462)
When a form is reset, it goes through `_forEachChild` to call `reset` on each of its children.
The problem is that if a control is removed while the loop is running (e.g. by a subscription),
the form will throw an error, because it built up the list of available control before the loop
started.

These changes fix the issue by adding a null check before invoing the callback.

Fixes #33401.

PR Close #40462
2021-01-19 11:41:23 -08:00
2020-11-18 11:11:41 -08:00
2020-01-27 09:31:22 -08:00

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