fix: cleanly exit on shutdown (#5537)

Co-authored-by: Mm2PL <mm2pl+gh@kotmisia.pl>
Co-authored-by: Nerixyz <nerixdev@outlook.de>

src/util/IpcQueue.hpp

@@ -27,6 +27,8 @@ public:
     static std::pair<std::unique_ptr<IpcQueue>, QString> tryReplaceOrCreate(
         const char *name, size_t maxMessages, size_t maxMessageSize);
 
+    static bool remove(const char *name);
+
     // TODO: use std::expected
     /// Try to receive a message.
     /// In the case of an error, the buffer is empty.