# Backport
This will backport the following commits from `main` to `8.8`:
- [[Security Solution] getDataViewStateFromIndexFields was using wrong
type as part of a cast
(#158594)](https://github.com/elastic/kibana/pull/158594)
<!--- Backport version: 8.9.7 -->
### Questions ?
Please refer to the [Backport tool
documentation](https://github.com/sqren/backport)
<!--BACKPORT [{"author":{"name":"Kevin
Qualters","email":"56408403+kqualters-elastic@users.noreply.github.com"},"sourceCommit":{"committedDate":"2023-05-31T21:13:36Z","message":"[Security
Solution] getDataViewStateFromIndexFields was using wrong type as part
of a cast (#158594)\n\n## Summary\r\n\r\nFixes an issue with the field
browser where all types currently display\r\nas unkown, this was because
in a code path where a type cast happens, we\r\nwere using the wrong
type. To see this, remove the as unknown from the\r\ncast, and the
typescript compiler will show the problem:\r\n```\r\n'BrowserField' is
deprecated.ts(6385)\r\nindex.ts(70, 4): The declaration was marked as
deprecated here.\r\nConversion of type 'DataViewField' to type
'BrowserField' may be a mistake because neither type sufficiently
overlaps with the other. If this was intentional, convert the expression
to 'unknown' first.\r\n Type 'DataViewField' is missing the following
properties from type 'BrowserField': category, description, example,
fields, and 2 more.ts(2352)\r\n```\r\nDataViewField actually only has
spec and kbnFieldType properties, spec\r\nis of type FieldSpec which is
basically the same type as BrowserField,\r\nand has sufficient overlap
for the (still unsafe, but more safe than as\r\nunknown) cast to
occur.\r\n\r\nBefore:\r\n<img width=\"338\"
alt=\"image\"\r\nsrc=\"f31c1f9e-25f0-41ee-9e1c-a70171e41d29\">\r\n\r\n\r\nAfter:\r\n<img
width=\"555\"
alt=\"image\"\r\nsrc=\"8b462477-2dce-41bb-9592-f34b20634b84\">\r\n\r\n---------\r\n\r\nCo-authored-by:
kibanamachine
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Solution] getDataViewStateFromIndexFields was using wrong type as part
of a cast (#158594)\n\n## Summary\r\n\r\nFixes an issue with the field
browser where all types currently display\r\nas unkown, this was because
in a code path where a type cast happens, we\r\nwere using the wrong
type. To see this, remove the as unknown from the\r\ncast, and the
typescript compiler will show the problem:\r\n```\r\n'BrowserField' is
deprecated.ts(6385)\r\nindex.ts(70, 4): The declaration was marked as
deprecated here.\r\nConversion of type 'DataViewField' to type
'BrowserField' may be a mistake because neither type sufficiently
overlaps with the other. If this was intentional, convert the expression
to 'unknown' first.\r\n Type 'DataViewField' is missing the following
properties from type 'BrowserField': category, description, example,
fields, and 2 more.ts(2352)\r\n```\r\nDataViewField actually only has
spec and kbnFieldType properties, spec\r\nis of type FieldSpec which is
basically the same type as BrowserField,\r\nand has sufficient overlap
for the (still unsafe, but more safe than as\r\nunknown) cast to
occur.\r\n\r\nBefore:\r\n<img width=\"338\"
alt=\"image\"\r\nsrc=\"f31c1f9e-25f0-41ee-9e1c-a70171e41d29\">\r\n\r\n\r\nAfter:\r\n<img
width=\"555\"
alt=\"image\"\r\nsrc=\"8b462477-2dce-41bb-9592-f34b20634b84\">\r\n\r\n---------\r\n\r\nCo-authored-by:
kibanamachine
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Solution] getDataViewStateFromIndexFields was using wrong type as part
of a cast (#158594)\n\n## Summary\r\n\r\nFixes an issue with the field
browser where all types currently display\r\nas unkown, this was because
in a code path where a type cast happens, we\r\nwere using the wrong
type. To see this, remove the as unknown from the\r\ncast, and the
typescript compiler will show the problem:\r\n```\r\n'BrowserField' is
deprecated.ts(6385)\r\nindex.ts(70, 4): The declaration was marked as
deprecated here.\r\nConversion of type 'DataViewField' to type
'BrowserField' may be a mistake because neither type sufficiently
overlaps with the other. If this was intentional, convert the expression
to 'unknown' first.\r\n Type 'DataViewField' is missing the following
properties from type 'BrowserField': category, description, example,
fields, and 2 more.ts(2352)\r\n```\r\nDataViewField actually only has
spec and kbnFieldType properties, spec\r\nis of type FieldSpec which is
basically the same type as BrowserField,\r\nand has sufficient overlap
for the (still unsafe, but more safe than as\r\nunknown) cast to
occur.\r\n\r\nBefore:\r\n<img width=\"338\"
alt=\"image\"\r\nsrc=\"f31c1f9e-25f0-41ee-9e1c-a70171e41d29\">\r\n\r\n\r\nAfter:\r\n<img
width=\"555\"
alt=\"image\"\r\nsrc=\"8b462477-2dce-41bb-9592-f34b20634b84\">\r\n\r\n---------\r\n\r\nCo-authored-by:
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BACKPORT-->
---------
Co-authored-by: kibanamachine <42973632+kibanamachine@users.noreply.github.com>
cc69e5ba15