fix(gui): handle invalid data when copying belongs to cell data

Signed-off-by: Pranav C <pranavxc@gmail.com>

packages/nc-gui/composables/useMultiSelect/convertCellData.ts

@@ -0,0 +1,31 @@
+import { UITypes } from 'nocodb-sdk'
+
+export default
+function convertCellData(args: { from: UITypes; to: UITypes; value: any }) {
+  const { from, to, value } = args
+  if (from === to) {
+    return value
+  }
+
+  switch (to) {
+    case UITypes.Number:
+      return Number(value)
+    case UITypes.Checkbox:
+      return Boolean(value)
+    case UITypes.Date:
+      return new Date(value)
+    case UITypes.Attachment:
+      try {
+        return typeof value === 'string' ? JSON.parse(value) : value
+      } catch (e) {
+        return []
+      }
+    case UITypes.LinkToAnotherRecord:
+    case UITypes.Lookup:
+    case UITypes.Rollup:
+    case UITypes.Formula:
+      throw new Error(`Unsupported conversion from ${from} to ${to}`)
+    default:
+      return value
+  }
+}