File cubeb-sys-debug.patch of Package nodejs-signal-ringrtc

The DEBUG envvar only controls symbol level. We want optimized (release) build but with debuginfo.

--- src/ringrtc/rust/vendor/cubeb-sys/build.rs.orig	2025-01-08 23:53:22.792631380 +0100
+++ src/ringrtc/rust/vendor/cubeb-sys/build.rs	2025-01-10 21:05:45.861224677 +0100
@@ -153,11 +153,7 @@ fn main() {
                 let mut search_path = std::env::current_dir().unwrap();
                 search_path.push(&(libcubeb_path + "/src/cubeb-pulse-rs/target"));
                 search_path.push(&target);
-                if debug {
-                    search_path.push("debug");
-                } else {
                     search_path.push("release");
-                }
                 println!("cargo:rustc-link-search=native={}", search_path.display());
             }
         }