fix minor example issues

examples/widgets/dropdown/lv_example_dropdown_2.c

@@ -10,9 +10,7 @@ void lv_example_dropdown_2(void)
     static const char * opts = "Apple\n"
                                "Banana\n"
                                "Orange\n"
-                               "Melon\n"
-                               "Grape\n"
-                               "Raspberry";
+                               "Melon";
 
     lv_obj_t * dd;
     dd = lv_dropdown_create(lv_scr_act());

examples/widgets/dropdown/lv_example_dropdown_3.c

@@ -19,6 +19,8 @@ void lv_example_dropdown_3(void)
     lv_obj_align(dropdown, LV_ALIGN_TOP_LEFT, 10, 10);
     lv_dropdown_set_options(dropdown, "New project\n"
                                       "New file\n"
+                                      "Save\n"
+                                      "Save as\n"
                                       "Open project\n"
                                       "Recent projects\n"
                                       "Preferences\n"

examples/widgets/table/lv_example_table_2.c

@@ -63,7 +63,7 @@ void lv_example_table_2(void)
     lv_obj_t * table = lv_table_create(lv_scr_act());
 
     /*Set a smaller height to the table. It'll make it scrollable*/
-    lv_obj_set_size(table, 150, 200);
+    lv_obj_set_size(table, LV_SIZE_CONTENT, 200);
 
     lv_table_set_col_width(table, 0, 150);
     lv_table_set_row_cnt(table, ITEM_CNT); /*Not required but avoids a lot of memory reallocation lv_table_set_set_value*/

src/extra/themes/default/lv_theme_default.c

@@ -820,6 +820,7 @@ static void theme_apply(lv_theme_t * th, lv_obj_t * obj)
     }
     else if(lv_obj_check_type(obj, &lv_dropdownlist_class)) {
         lv_obj_add_style(obj, &styles->card, 0);
+        lv_obj_add_style(obj, &styles->clip_corner, 0);
         lv_obj_add_style(obj, &styles->line_space_large, 0);
         lv_obj_add_style(obj, &styles->dropdown_list, 0);
         lv_obj_add_style(obj, &styles->scrollbar, LV_PART_SCROLLBAR);

src/widgets/lv_dropdown.c

@@ -479,6 +479,7 @@ void lv_dropdown_open(lv_obj_t * dropdown_obj)
     else if(dir == LV_DIR_LEFT)  lv_obj_align_to(dropdown->list, dropdown_obj, LV_ALIGN_OUT_LEFT_TOP, 0, 0);
     else if(dir == LV_DIR_RIGHT) lv_obj_align_to(dropdown->list, dropdown_obj, LV_ALIGN_OUT_RIGHT_TOP, 0, 0);
 
+    lv_obj_update_layout(dropdown->list);
 
     if(dropdown->dir == LV_DIR_LEFT || dropdown->dir == LV_DIR_RIGHT) {
         lv_coord_t y1 = lv_obj_get_y(dropdown->list);