CLAP parameter flush is active || main-thread, adjust as such

Signed-off-by: falkTX <falktx@falktx.com>

distrho/src/DistrhoPluginCLAP.cpp

@@ -1199,7 +1199,8 @@ public:
         }
 
        #if DISTRHO_PLUGIN_WANT_LATENCY
-        checkForLatencyChanges(fPlugin.isActive(), false);
+        const bool active = fPlugin.isActive();
+        checkForLatencyChanges(active, !active);
        #endif
     }