Added buildReplaceStringWithCasePreserved generic function to be  used in both search side and the find side

- remove ipc message that passes over the resolved authority
- don't go through the protocol handler when hitting 127.0.0.1

Fixes #77192

See #77192 for discussion

The type system should catch these now

- make it unlikely that a new view instance would accept a view zone id from a previous view instance
- remove that the find widget removes a view zone id from another view
(fixes #71745)

#78168

This reverts commit d60b16c82e3ab83d6b1f2787a176d5a2e38b829b.

Add UnownedDisposable to make it clearer that webviewEditorInput takes ownership of the webview passed to it

This reverts commit b59ecadf6b1c3c84213b8300df8ba8ce962e6625.

This reverts commit b59ecadf6b1c3c84213b8300df8ba8ce962e6625.