[SBTW-1849] improve healthcare widget according to Figma (#366)

## Files to Check
- `src/components/CustomHealthcareMessageInput.tsx`
- `src/utils/category.ts`

(The rest of the files are chunk files created during the build
process.)

## Changes
- Improve designs according to Figma

ticket: [SBTW-1849]

## Additional Notes
- 

## Checklist
Before requesting a code review, please check the following:
- [ ] **[Required]** CI has passed all checks.
- [ ] **[Required]** A self-review has been conducted to ensure there
are no minor mistakes.
- [ ] **[Required]** Unnecessary comments/debugging code have been
removed.
- [ ] **[Required]** All requirements specified in the ticket have been
accurately implemented.
- [ ] Ensure the ticket has been updated with the sprint, status, and
story points.

[SBTW-1849]:
https://sendbird.atlassian.net/browse/SBTW-1849?atlOrigin=eyJpIjoiNWRkNTljNzYxNjVmNDY3MDlhMDU5Y2ZhYzA5YTRkZjUiLCJwIjoiZ2l0aHViLWNvbS1KU1cifQ

dist/CodeBlock-b12db20a.mjs → dist/CodeBlock-db37a122.mjs

@@ -1,4 +1,4 @@
-import { j as e } from "./index-44b54645.mjs";
+import { j as e } from "./index-ddf5b5ad.mjs";
 import { CopyBlock as r, irBlack as t } from "react-code-blocks";
 import "react";
 import "react-dom";

dist/__bundle-2aa1a987-887417e1.mjs → dist/__bundle-2aa1a987-3bdc2be0.mjs

@@ -1,4 +1,4 @@
-import { c as F } from "./index-44b54645.mjs";
+import { c as F } from "./index-ddf5b5ad.mjs";
 function I(s, h) {
   for (var b = 0; b < h.length; b++) {
     const c = h[b];

dist/__bundle-aece11ae-f5e6bb11.mjs → dist/__bundle-aece11ae-2f28d267.mjs

@@ -1,4 +1,4 @@
-import { L as S, g as s, R as X, a as m, P as y, Y as I, H as N, X as b } from "./index-44b54645.mjs";
+import { L as S, g as s, R as X, a as m, P as y, Y as I, H as N, X as b } from "./index-ddf5b5ad.mjs";
 import "react";
 import "react-dom";
 var k = function(i, o) {

dist/__bundle-ba2b9764-6b781cae.mjs → dist/__bundle-ba2b9764-739f3c15.mjs

@@ -1,4 +1,4 @@
-import { c as g } from "./index-44b54645.mjs";
+import { c as g } from "./index-ddf5b5ad.mjs";
 function H(e, t) {
   for (var o = 0; o < t.length; o++) {
     const s = t[o];

dist/bundle-f5U_VL0z-812fe811.mjs → dist/bundle-f5U_VL0z-3d033522.mjs

@@ -1,4 +1,4 @@
-import { V as g2 } from "./index-44b54645.mjs";
+import { V as g2 } from "./index-ddf5b5ad.mjs";
 import "react";
 import "react-dom";
 function Mt(H) {