Keep mise wrappers from writing to stdout (#6940)

mise use -g announces the resolved tool on stdout, so every wrapped command
prepended a "tools:" line to its own output. That corrupts anything speaking a
protocol over stdout, such as codex app-server. Pass --quiet, which keeps errors
on stderr and preserves the exit status.

The obsolete-wrapper check in the agent migration matched the generated command
verbatim, so loosen it to match the package instead of the flags.

Closes #6908

Co-authored-by: Claude Opus 5 <noreply@anthropic.com>
(cherry picked from commit 1c3da94906)

bin/omarchy-mise-install

@@ -22,7 +22,7 @@ rm -f "$HOME/.local/bin/$command"
 cat >"$HOME/.local/bin/$command" <<EOF
 #!/bin/bash
 export MISE_MINIMUM_RELEASE_AGE=0
-mise use -g "$package" || exit 1
+mise use -g --quiet "$package" || exit 1
 exec mise x "$package" -- "$bin" "\$@"
 EOF