fix: make dedupe work correctly

ScreenshotMetadata.cs

@@ -141,7 +141,7 @@ public class ScreenshotMetadata {
             }
         }
 
-        foreach (var mod in modsInUse) {
+        foreach (var mod in modsInUse.OrderBy(mod => mod.Name)) {
             Plugin.Log.Info($"{mod.Name} at {mod.Path}");
         }
 
@@ -232,6 +232,28 @@ public struct EorzeaTime {
 
 [Serializable]
 public class PenumbraMod {
-    public required string Path;
-    public required string Name;
+    public required string Path { get; init; }
+    public required string Name { get; init; }
+
+    protected bool Equals(PenumbraMod other) {
+        return this.Path == other.Path && this.Name == other.Name;
+    }
+
+    public override bool Equals(object? obj) {
+        if (ReferenceEquals(null, obj)) {
+            return false;
+        }
+
+        if (ReferenceEquals(this, obj)) {
+            return true;
+        }
+
+        return obj.GetType() == this.GetType() && this.Equals((PenumbraMod) obj);
+    }
+
+    public override int GetHashCode() {
+        unchecked {
+            return (this.Path.GetHashCode() * 397) ^ this.Name.GetHashCode();
+        }
+    }
 }