fix: Various pattern execution race conditions

lib/libimhex/include/hex/api/content_registry.hpp

@@ -272,7 +272,7 @@ namespace hex {
              * @brief Provides access to the current provider's pattern language runtime's lock
              * @return Lock
              */
-            std::scoped_lock<std::mutex> getRuntimeLock();
+            std::mutex& getRuntimeLock();
 
             /**
              * @brief Configures the pattern language runtime using ImHex's default settings

lib/libimhex/source/api/content_registry.cpp

@@ -265,10 +265,10 @@ namespace hex {
             return *runtime;
         }
 
-        std::scoped_lock<std::mutex> getRuntimeLock() {
+        std::mutex& getRuntimeLock() {
             static std::mutex runtimeLock;
 
-            return std::scoped_lock(runtimeLock);
+            return runtimeLock;
         }
 
         void configureRuntime(pl::PatternLanguage &runtime, prv::Provider *provider) {