Fixed rename errors in dialogs, implemented lots more

dialogs/createspritedialog.cpp

@@ -1,6 +1,8 @@
 #include "createspritedialog.h"
 #include "ui_createspritedialog.h"
 
+#include <QPushButton>
+
 CreateSpriteDialog::CreateSpriteDialog(QWidget *parent) :
     QDialog{parent},
     m_ui{std::make_unique<Ui::CreateSpriteDialog>()}
@@ -8,9 +10,14 @@ CreateSpriteDialog::CreateSpriteDialog(QWidget *parent) :
     m_ui->setupUi(this);
 
     setWindowFlags(windowFlags()
-                       & ~Qt::Dialog
+                    & ~Qt::Dialog
                    | Qt::Window
                    | Qt::WindowCloseButtonHint);
+
+    if (auto button = m_ui->buttonBox->button(QDialogButtonBox::Ok))
+        button->setIcon(QIcon{":/qtgameengine/icons/ok.png"});
+    if (auto button = m_ui->buttonBox->button(QDialogButtonBox::Cancel))
+        button->setIcon(QIcon{":/qtgameengine/icons/delete.png"});
 }
 
 CreateSpriteDialog::CreateSpriteDialog(const QSize &size, QWidget *parent) :