Revert to standard LoadBitmap - test if file-based loading works

Going back to the original approach used in main branch.
File-based loading (nvgCreateImage) might work better than memory-based (nvgCreateImageMem).
The LoadBitmapFromMemory function is still there but not used by default.

Author: damiangr

NeuralAmpModeler/NeuralAmpModeler.cpp

@@ -225,14 +225,14 @@ NeuralAmpModeler::NeuralAmpModeler(const InstanceInfo& info)
     const auto irIconOnSVG = pGraphics->LoadSVG(IR_ICON_ON_FN);
     const auto irIconOffSVG = pGraphics->LoadSVG(IR_ICON_OFF_FN);
 
-    // Use memory-based bitmap loading on macOS to avoid file access issues
-    const auto backgroundBitmap = LoadBitmapFromMemory(pGraphics, BACKGROUND_FN);
-    const auto fileBackgroundBitmap = LoadBitmapFromMemory(pGraphics, FILEBACKGROUND_FN);
-    const auto inputLevelBackgroundBitmap = LoadBitmapFromMemory(pGraphics, INPUTLEVELBACKGROUND_FN);
-    const auto linesBitmap = LoadBitmapFromMemory(pGraphics, LINES_FN);
-    const auto knobBackgroundBitmap = LoadBitmapFromMemory(pGraphics, KNOBBACKGROUND_FN);
-    const auto switchHandleBitmap = LoadBitmapFromMemory(pGraphics, SLIDESWITCHHANDLE_FN);
-    const auto meterBackgroundBitmap = LoadBitmapFromMemory(pGraphics, METERBACKGROUND_FN);
+    // Try standard bitmap loading first - this works on non-sandboxed apps and Windows
+    const auto backgroundBitmap = pGraphics->LoadBitmap(BACKGROUND_FN);
+    const auto fileBackgroundBitmap = pGraphics->LoadBitmap(FILEBACKGROUND_FN);
+    const auto inputLevelBackgroundBitmap = pGraphics->LoadBitmap(INPUTLEVELBACKGROUND_FN);
+    const auto linesBitmap = pGraphics->LoadBitmap(LINES_FN);
+    const auto knobBackgroundBitmap = pGraphics->LoadBitmap(KNOBBACKGROUND_FN);
+    const auto switchHandleBitmap = pGraphics->LoadBitmap(SLIDESWITCHHANDLE_FN);
+    const auto meterBackgroundBitmap = pGraphics->LoadBitmap(METERBACKGROUND_FN);
 
     const auto b = pGraphics->GetBounds();
     const auto mainArea = b.GetPadded(-20);