Fix: Adjust chat line height. (#16021)

### What problem does this PR solve?

Fix: Adjust chat line height.

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

web/src/components/markdown-content/index.module.less

@@ -1,4 +1,5 @@
 .markdownContentWrapper {
+  line-height: 1.8;
   :global(details.think) {
     padding-inline-start: 10px;
     color: #8b8b8b;
@@ -22,7 +23,6 @@
     border-inline-start: 2px solid #a3d5c9;
     margin-bottom: 10px;
     font-size: 12px;
-
     summary {
       cursor: pointer;
       font-weight: 500;

web/src/components/next-markdown-content/index.module.less

@@ -1,4 +1,5 @@
 .markdownContentWrapper {
+  line-height: 1.8;
   :global(details.think) {
     padding-inline-start: 10px;
     color: #8b8b8b;

web/src/pages/user-setting/data-source/constant/index.tsx

@@ -1097,7 +1097,7 @@ export const DataSourceFormFields = {
   ],
   [DataSourceKey.BOX]: [
     {
-      label: 'Box OAuth JSON',
+      label: 'Box OAuth Configuration',
       name: 'config.credentials.box_tokens',
       type: FormFieldType.Textarea,
       required: true,