Search retains previous input after closing the modal instead of resetting to default data

[raggettii]

Describe the Bug
The search input and results persist after closing the modal, instead of resetting to the default state upon reopening.

To Reproduce
Steps to reproduce the behavior:

1.Log in as SuperAdmin.
2.In My Organization, click on Manage for any organization.
3.Navigate to the List of Members/Admins.
4.Click on Add Members -> Existing User.
5.Search for any user (without adding anyone), close the modal, and then reopen Add Members -> Existing User.

Expected Behavior
When reopening the modal after closing, the search input and results should reset to the default state (showing the initial data).

Actual Behavior
After closing and reopening the modal, the previously searched input and results persist instead of showing the default data.

Screenshots
It should open as it does initially:

Instead, it displays the earlier searched data:

Additional Details
Add any other relevant context or screenshots about the issue here.

Potential Internship Candidates
If you are planning to apply for a Palisadoes Foundation internship, please refer to the following link:

PalisadoesFoundation/talawa#359

[raggettii]

Please assign this to me @palisadoes

[github-actions]

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