Fix recently broken jq reference to "$p" value in omarchy-launch-or-focus

[garethson]

In 7514ae7 that went out with the 3.4.0 release buried in the changes to Use consistent bash5 style for conditionals and quoting we can see that commit accidentally stripped the $ from first $p reference when testing the class name. This can be easily reproduced:

~/code/tmp ❯ omarchy-launch-or-focus code 
jq: error: p/0 is not defined at <top-level>, line 1, column 33:
    .[]|select((.class|test("\\b" + p + "\\b";"i")) or (.title|test("\\b" + $p + "\\b";"i")))|.address```

With this fix, it works:

[master] ~/code/devnotes ❯ omarchy-launch-or-focus code
ok

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[dhh]

Pushed as a hotfix to master. Thanks for catching!