Use the default option shift arrow key selection for the TextMate keymap

[jish]

By default when pressing the option+shift+arrow keys selection should jump to words along the way rather than selecting the entire line.

https://github.com/zed-industries/zed/issues/10242

Release Notes:

• Fixed (#10242).

TextMate keymap uses default option shift arrow selection

[cla-bot[bot]]

We require contributors to sign our Contributor License Agreement, and we don't have @jish on file. You can sign our CLA at https://zed.dev/cla. Once you've signed, post a comment here that says '@cla-bot check'.

[cla-bot[bot]]

We require contributors to sign our Contributor License Agreement, and we don't have @jish on file. You can sign our CLA at https://zed.dev/cla. Once you've signed, post a comment here that says '@cla-bot check'.

[mrnugget]

@jish friendly ping that you need to sign the CLA.

[mrnugget]

Closing this since it's been superseded by https://github.com/zed-industries/zed/pull/11292