Fix date field bug introduced in v5.10.1 - change in typing method

[plocket]

In this PR, I have:

• N/A ~Added tests for any new features or bug fixes (if relevant)~
• [x] Added my changes to the CHANGELOG.md at the top, under the "Unreleased" section
• N/A ~Ensured issues that this PR closes will be automatically closed~

Reason for this PR

v5.10.1 introduced a bug that stopped regular date fields from being completely filled. This was because of a change in how we were handling typing in an input field. This PR fixes that. [We'll see if we run into any more issues.]

Links to any solved or related issues

N/A

Any manual testing I have done to ensure my PR is working

N/A