Nz/validate incentive payment

[Sun-Mountain]

Resolves #3356

Description

Add inline validation for Proposed Budget

This pull request is ready to review when

• [x] Automated tests are updated (and all tests are passing)
• [ ] Pull request has been labeled, if applicable with feature, content, bug, tests, refactor
• [ ] Associated OpenAPI documentation has been updated
• [ ] The experience passes a basic manual accessibility audit (keyboard nav, screenreader, text scaling) OR an exemption is documented

This pull request can be merged when

• [x] Code has been reviewed by someone other than the original author
• [ ] QA has verified the functionality related to the change
• [ ] QA has verified the accesibility using tools such as screen readers and WAVE (accessibility evaluation tool)
• [ ] Design has approved the experience
• [ ] Product has approved the experience

[codecov-commenter]

Codecov Report

Merging #4273 (8ac505d) into main (9793115) will decrease coverage by 0.24%. The diff coverage is 50.00%.

@@            Coverage Diff             @@
##             main    #4273      +/-   ##
==========================================
- Coverage   86.32%   86.08%   -0.25%     
==========================================
  Files         260      260              
  Lines        5932     5951      +19     
  Branches     1240     1251      +11     
==========================================
+ Hits         5121     5123       +2     
- Misses        751      765      +14     
- Partials       60       63       +3     

Impacted Files	Coverage Δ
...src/pages/apd/proposed-budget/IncentivePayments.js	70.17% <50.00%> (-29.83%)	:arrow_down:

Impacted Files	Coverage Δ
...src/pages/apd/proposed-budget/IncentivePayments.js	70.17% <50.00%> (-29.83%)	:arrow_down:

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[cms-eapd-bot]

This deploy was cleaned up.

[mirano-darren]

Looks good to me! Well done!

Given	When	Then	Result
EQIP Table	A number less than 0 is entered OR a special character is entered	Red box appears around the input field, error message shows at the bottom of the table	PASS ✅
EQIP Table	Using a screenreader (NVDA and Narrator) when an invalid number is entered	Error message is read out loud as soon as the input is invalid	PASS ✅
EQIP Table	A number >= 0 is entered	Number is considered valid and doesn't show the error message	PASS ✅

Note: EH Count can be negative. Should we address this? @jeromeleecms @akuas

[akuas]

Just to simply, I was curious what we decided on for when the system corrects errors when you tab over before approving.

[jeromeleecms]

For the error message, is this the one that we said to use the language "Provide a whole number greater than $0."

Also as noted in Slack, what's the expectation for the screen reader when the field auto updates?