[Move refactor] Move dialogs to interface/widgets/ (#6234)

* Move dialogs/ underneath interface/widgets since QDialog inherits from QWidget.

---------

Co-authored-by: Lukas Brübach <Bruebach.Lukas@bdosecurity.de>

cockatrice/src/interface/widgets/dialogs/dlg_edit_avatar.h

@@ -0,0 +1,37 @@
+/**
+ * @file dlg_edit_avatar.h
+ * @ingroup AccountDialogs
+ * @brief TODO: Document this.
+ */
+
+#ifndef DLG_EDITAVATAR_H
+#define DLG_EDITAVATAR_H
+
+#include <QComboBox>
+#include <QDialog>
+#include <QLineEdit>
+#include <QLoggingCategory>
+
+inline Q_LOGGING_CATEGORY(DlgEditAvatarLog, "dlg_edit_avatar");
+
+class QLabel;
+class QPushButton;
+class QCheckBox;
+
+class DlgEditAvatar : public QDialog
+{
+    Q_OBJECT
+public:
+    explicit DlgEditAvatar(QWidget *parent = nullptr);
+    QByteArray getImage();
+private slots:
+    void actOk();
+    void actBrowse();
+
+private:
+    QImage image;
+    QLabel *textLabel, *imageLabel;
+    QPushButton *browseButton;
+};
+
+#endif