Files
chatwoot/app/javascript/dashboard/components/widgets/WootWriter
Sivin Varghese 207933ed70 fix: TypeError cannot read properties of undefined (reading '$el') (#9951)
# Pull Request Template

## Description

This PR will fix an error `TypeError cannot read properties of undefined
(reading '$el')` with the keyboard shortcut `Alt+KeyA` for triggering
the file picker.

**Issue**
I couldn't able reproduce this issue. It might be because `$children`
was unavailable at the time of access.

**Solution**
Previously, it relied on `$children`. Now, it uses the more reliable
`querySelector` method to find the target element.

Fixes
https://chatwoot-p3.sentry.io/issues/5708410274/?alert_rule_id=15157525&alert_timestamp=1723552508790&alert_type=email&environment=production&notification_uuid=be5966b2-f17d-4273-8709-98e3322f1f6f&project=4507182691975168&referrer=alert_email

## Type of change

- [x] Bug fix (non-breaking change which fixes an issue)

## How Has This Been Tested?

**Test cases**
1. Open a conversation
2. And click `Alt+KeyA` to trigger the file picker.
3. See if there is any issue or errors.


## Checklist:

- [x] My code follows the style guidelines of this project
- [x] I have performed a self-review of my code
- [x] I have commented on my code, particularly in hard-to-understand
areas
- [ ] I have made corresponding changes to the documentation
- [x] My changes generate no new warnings
- [ ] I have added tests that prove my fix is effective or that my
feature works
- [x] New and existing unit tests pass locally with my changes
- [ ] Any dependent changes have been merged and published in downstream
modules
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