fix: improve error handling in FLAC frame processing

- Updated error checking in readFLACBuffered to use errors.Is for better clarity and reliability when handling EOF conditions.
- Enhanced robustness of audio file reading by ensuring consistent error handling practices across the codebase.

internal/myaudio/readfile_flac.go

@@ -2,6 +2,7 @@ package myaudio
 
 import (
 	"encoding/binary"
+	"errors"
 	"fmt"
 	"io"
 	"os"
@@ -57,7 +58,7 @@ func readFLACBuffered(file *os.File, settings *conf.Settings, callback AudioChun
 	// Process FLAC frames
 	for {
 		frame, err := decoder.Next()
-		if err == io.EOF {
+		if errors.Is(err, io.EOF) {
 			break
 		} else if err != nil {
 			return err