lsp-rust: Append --no-run flag for debugging

Change the logic of lsp-rust-analyzer-debug to append
--no-run when it's not already in cargo-args, not the
other way round. The result is used only for obtaining
the compiler-artifact, no need to run the tests to
obtain it.

Author: Rutherther

CHANGELOG.org

@@ -47,6 +47,7 @@
   * Fix bug in lsp-odin where ~f-join~ collapses double slashes. Using ~format~ instead.
   * Fix missing gopls inlay hints when ~lsp-use-plist~ is true
   * Fix bug where persist was attempted when lsp-session-file is nil
+  * Debugging tests in Rust no longer runs all the tests prior to launching debug session.
 
 ** 9.0.0
   * Add language server config for QML (Qt Modeling Language) using qmlls.

clients/lsp-rust.el

@@ -1561,7 +1561,7 @@ and run a compilation"
            :label) runnable))
     (pcase (aref cargo-args 0)
       ("run" (aset cargo-args 0 "build"))
-      ("test" (when (-contains? (append cargo-args ()) "--no-run")
+      ("test" (unless (-contains? (append cargo-args ()) "--no-run")
                 (cl-callf append cargo-args (list "--no-run")))))
     (->> (append (list (executable-find "cargo"))
                  cargo-args