This would always result in a file read which can be slow in remote connections.

Fixes https://github.com/github/codespaces/issues/1695 and fixes microsoft/vscode-remote-release#2536 

"Duplicate Workspace in New Window" just creates new window and opens workspace.json file (fixes #102148)

* move encoding logic from NativeTextFileService to AbstractTextFileService for #79275

* some cleanup things - just cosmetic

* fix tests

* review

* use correct comparison
Co-authored-by: NBenjamin Pasero <benjpas@microsoft.com>

@jrieken fyi

* refactor: use array of resources

* refactor: use an array of uricomponentspair

* feat: move many resources

* refactor: rename data to files

* feat: use array of files for copy

* refactor: use move with multiple resources

* refactor: use move method with array of files

* refactor: rename data to files

* feat: moveOrCopy array of resources on paste

* refactor: use concise loop syntax

* test: assert number of events

* refactor: rename uricomponentspair

* support multiple files on WorkingCopyFileEvent

* feat: support multiple resources
onWillRunWorkingCopyFIleOperation onDidRunWorkingCopyFileOperation

* refactor: make source optional for consistency

* refactor: support resources for delete

* test: isolate tests

* fix: iterate over resources

* feat: support operations on delete

* feat: adopt deleting multiple resources

* fix: typing and sequential flow of copyservice

* fix: typing and naming

* fix: typing and naming

* fix: use different message for multiple overwrites

* refactor: naming consistency

* fix: use array resources

* fix: message for multiple overwrites

* fix format

* clean up working copy file service

* refactor multiple overwrites message helper

* use openeditors to bulk open

* split drop copy and move

* add returns
Co-authored-by: NBenjamin Pasero <benjpas@microsoft.com>

@jrieken fyi

* move encoding.ts to common for #79275

* load iconv-lite-umd and jschardet in web version for #79275

* move EncodingOracle to the AbstractTextFileService for #79275

* review

* update to new iconv-lite-umd

* add workaround for jschardet types

* fix indentation

* add iconv-lite-umd and jschardet to workbench.html

* fix paths for modules
Co-authored-by: NBenjamin Pasero <benjpas@microsoft.com>

_serviceBrand is only used for typing and should not result in emit

Also adds readonly

- load() should never be called directly but through service
- save and saveAs should return true result
- model manager gets to know model even before resolved