[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_password.h

@@ -0,0 +1,39 @@
+/**
+ * @file dlg_edit_password.h
+ * @ingroup AccountDialogs
+ * @brief TODO: Document this.
+ */
+
+#ifndef DLG_EDITPASSWORD_H
+#define DLG_EDITPASSWORD_H
+
+#include <QComboBox>
+#include <QDialog>
+#include <QLineEdit>
+
+class QLabel;
+class QPushButton;
+class QCheckBox;
+
+class DlgEditPassword : public QDialog
+{
+    Q_OBJECT
+public:
+    explicit DlgEditPassword(QWidget *parent = nullptr);
+    QString getOldPassword() const
+    {
+        return oldPasswordEdit->text();
+    }
+    QString getNewPassword() const
+    {
+        return newPasswordEdit->text();
+    }
+private slots:
+    void actOk();
+
+private:
+    QLabel *oldPasswordLabel, *newPasswordLabel, *newPasswordLabel2;
+    QLineEdit *oldPasswordEdit, *newPasswordEdit, *newPasswordEdit2;
+};
+
+#endif