split webrtc & WS destroy.

internal/utils/errors.go

@@ -0,0 +1,22 @@
+package utils
+
+import "fmt"
+
+func ErrorsJoin(errs []error) error {
+	var resErr error
+
+	for _, err := range errs {
+		if err == nil {
+			continue
+		}
+
+		if resErr == nil {
+			resErr = err
+			continue
+		}
+
+		resErr = fmt.Errorf("%w; %s", resErr, err.Error())
+	}
+
+	return resErr
+}