fix placeholder music data replacing existing music

miyu_bot/commands/cogs/music.py

@@ -21,6 +21,7 @@ class Music(commands.Cog):
         self.logger = logging.getLogger(__name__)
         self.music = FuzzyMap(lambda m: m.is_released)
         for m in asset_manager.music_master.values():
+            if not self.music.has_exact(f'{m.name} {m.special_unit_name}'):
                 self.music[f'{m.name} {m.special_unit_name}'] = m
 
     difficulty_names = {

miyu_bot/commands/common/fuzzy_matching.py

@@ -19,6 +19,9 @@ class FuzzyMap:
     def values(self):
         return FuzzyDictValuesView(self)
 
+    def has_exact(self, key):
+        return romanize(key) in self._values
+
     def __delitem__(self, key):
         k = romanize(key)
         self._values.__delitem__(k)