Closes#18341
* [x] Remove "Change Kernel" Doc link from REPL menu
* [x] Remove chevron
* [x] Set a higher min width
* [x] Include the language along with the kernel name
Future PRs will address
* Add support for Python envs (#18291, #16757, #15563)
* Add support for Remote kernels
* Project settings support (#16898)
Release Notes:
- Added kernel picker for repl
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Co-authored-by: Nate Butler <iamnbutler@gmail.com>