audio engine: fix order of uninit of context and engine

Details here: https://2dimensions.slack.com/archives/C073BQNPQ5T/p1729040397547009?thread_ts=1728503923.737199&cid=C073BQNPQ5T

We shouldn't be uninitializing a context while an engine is actively using it.

Some of the miniaudio docs on this:
![CleanShot 2024-10-16 at 20 16 15@2x](https://github.com/user-attachments/assets/8c87f839-a966-415c-849f-e2882b8f1b05)

![CleanShot 2024-10-16 at 20 18 06@2x](https://github.com/user-attachments/assets/cb168415-0657-449e-ac29-2127e4bf94db)

Diffs=
054e3c5b73 audio engine: fix order of uninit of context and engine (#8350)

Co-authored-by: Luigi Rosso <luigi-rosso@users.noreply.github.com>

.rive_head

@@ -1 +1 @@
-a1484308fa29ae83273056dbe5e37a467e06b373
+054e3c5b7370c78d59fa4c74d6bf7ff4f25f8f7b

src/audio/audio_engine.cpp

@@ -438,6 +438,9 @@ AudioEngine::~AudioEngine()
     }
     m_completedSounds.clear();
 
+    ma_engine_uninit(m_engine);
+    delete m_engine;
+
 #if (TARGET_IPHONE_SIMULATOR || TARGET_OS_MACCATALYST || TARGET_OS_IPHONE) &&  \
     !defined(MA_NO_DEVICE_IO)
     // m_context is only set when Core Audio is available
@@ -449,9 +452,6 @@ AudioEngine::~AudioEngine()
     }
 #endif
 
-    ma_engine_uninit(m_engine);
-    delete m_engine;
-
 #ifdef WITH_RIVE_AUDIO_TOOLS
     if (m_levelMonitor != nullptr)
     {