Count only current viewer media against the preparation limit

tools/chatgui/tests/test_stream_view.cpp

@@ -257,6 +257,7 @@ private slots:
 
     void modernCodecPlayback() {
 #ifdef HAVE_FFMPEG
+        debug_set_category_level(DEBUG_CATEGORY_STREAM, DEBUG_LEVEL_DEBUG);
         struct Fixture { uint8_t type; const char* encoder; };
         const Fixture fixtures[] = {{STREAM_MEDIA_H265, "libx265"}, {STREAM_MEDIA_VP9, "libvpx-vp9"}, {STREAM_MEDIA_AV1, "libaom-av1"}};
         for (const auto& fixture : fixtures) {
@@ -303,6 +304,7 @@ private slots:
             QTRY_VERIFY_WITH_TIMEOUT(stream_get_info(publisher, &info) == STREAM_OK && info.owners == 1, 2000);
             window.close(); QTest::qWait(20);
         }
+        debug_set_category_level(DEBUG_CATEGORY_STREAM, DEBUG_LEVEL_INFO);
 #endif
     }