fix: hashing wrong assembly

Osmi/Utils/AssemblyUtil.cs

@@ -47,12 +47,13 @@ public static FileStream ReadAsStream(this Assembly self) =>
 	/// <param name="self">The assembly to get hash from</param>
 	/// <param name="length">Length of hash string to be preserved</param>
 	/// <returns>The <see cref="SHA1"/> hash string</returns>
-	public static string GetHash(this Assembly self, int length = 7) {
-		using var hasher = SHA1.Create();
-		byte[] bytes = File.ReadAllBytes(Assembly.GetExecutingAssembly().Location);
-		return BitConverter.ToString(hasher.ComputeHash(bytes))
-			.Replace("-", "").Substring(0, length).ToLowerInvariant();
-	}
+	public static string GetHash(this Assembly self, int length = 7) =>
+		HashStream.ComputeHashString(
+			File.OpenRead(self.Location),
+			SHA1.Create()
+		)
+		.Substring(0, length)
+		.ToLowerInvariant();
 
 	/// <summary>
 	///	Gets the version with <see cref="SHA1"/> hash of specified assembly,