Fix uninitialized variable.

Author: Flone-dnb

src/engine_lib/src/widget/button_widget.c

@@ -81,6 +81,7 @@ button_widget_create(void) {
     button_widget->tex_pressed_id = 0;
 
     button_widget->is_cursor_inside_widget = false;
+    button_widget->is_button_widget_destroy = false;
 
     button_widget->rect_widget = rect_widget_create();
     widget_set_parent(

src/engine_lib/src/widget/checkbox_widget.c

@@ -69,6 +69,8 @@ checkbox_widget_create(void) {
     checkbox_widget->is_fixing_height = false;
     checkbox_widget->on_changed = NULL;
 
+    checkbox_widget->is_checkbox_widget_destroy = false;
+
     {
         checkbox_widget->background_rect = rect_widget_create();
         te_widget* rect = rect_widget_get_widget(checkbox_widget->background_rect);

src/engine_lib/src/widget/text_edit_widget.c

@@ -69,6 +69,8 @@ text_edit_widget_create(void) {
 
     text_edit_widget->text_cursor_index = TE_INVALID_TEXT_CURSOR_INDEX;
 
+    text_edit_widget->is_text_edit_widget_destroy = false;
+
     text_edit_widget->text_widget = text_widget_create();
     widget_set_is_serialization_allowed(
         text_widget_get_widget(text_edit_widget->text_widget), false);