fix: add htmlFor, email type, and remove dead serverError state in Lo…

[khushboo-khatoon]

changes Made

Fixed three issues in LoginForm.tsx related to accessibility,
mobile UX and code quality.

Issue 1 — Added htmlFor and id to labels and inputs

Labels were missing htmlFor and inputs were missing id attribute.
Screen readers could not associate label with input field.
Added htmlFor="email" and id="email" to email field.
Added htmlFor="password" and id="password" to password field.

Issue 2 — Added type="email" to email input

Email input had no type attribute so it defaulted to type="text".
Mobile users were not getting email keyboard.
Added type="email" to email input.

Issue 3 — Removed dead serverError state

serverError state was declared and set in catch block but never
used anywhere in JSX. Toast already handles error display.
Removed useState for serverError and setServerError from catch block.

✅ Contributor Checklist

• I have tested my changes locally.
• My code follows the Apple-level design guidelines.
• I have updated the README if necessary.
• (Apertre 3.0) I have added relevant badges/labels.

Closes #284

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By submitting this PR, I agree to contribute my work under the MIT License.

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[khushboo-khatoon]

hey @Nitya-003 ,

PR is now ready to review and merge ,please lemme know if any changes needed .

thank u (( :