Sort preset categories and names alphabetically

Source/PresetManager.h

@@ -2,6 +2,7 @@
 #include <juce_audio_processors/juce_audio_processors.h>
 #include <vector>
 #include <map>
+#include <algorithm>
 
 struct Preset {
     juce::String name;
@@ -23,6 +24,7 @@ public:
                 if (c == p.category) { found = true; break; }
             if (!found) cats.push_back(p.category);
         }
+        std::sort(cats.begin(), cats.end());
         return cats;
     }
 
@@ -31,6 +33,8 @@ public:
         for (auto& p : presets)
             if (p.category == cat)
                 result.push_back(p);
+        std::sort(result.begin(), result.end(),
+                  [](const Preset& a, const Preset& b) { return a.name < b.name; });
         return result;
     }