feat: upgrade knowledge metadata (#16063)

Support filter knowledge by metadata.

Co-authored-by: Joel <iamjoel007@gmail.com>
Co-authored-by: NFish <douxc512@gmail.com>

web/app/components/datasets/metadata/utils/get-icon.ts

@@ -0,0 +1,10 @@
+import { DataType } from '../types'
+import { RiHashtag, RiTextSnippet, RiTimeLine } from '@remixicon/react'
+
+export const getIcon = (type: DataType) => {
+  return ({
+    [DataType.string]: RiTextSnippet,
+    [DataType.number]: RiHashtag,
+    [DataType.time]: RiTimeLine,
+  }[type] || RiTextSnippet)
+}