fix(finsh): Correct stack usage display format in list_thread command

Author: wdfk-prog

components/finsh/cmd.c

@@ -262,7 +262,7 @@ long list_thread(void)
 #else
                     ptr = (rt_uint8_t *)thread->stack_addr;
                     while (*ptr == '#') ptr ++;
-                    rt_kprintf(" 0x%08x 0x%08x    %02d%%   0x%08x %s %p",
+                    rt_kprintf(" 0x%08x 0x%08x    %3d%%   0x%08x %s %p",
                                thread->stack_size + ((rt_ubase_t)thread->stack_addr - (rt_ubase_t)thread->sp),
                                thread->stack_size,
                                (thread->stack_size - ((rt_ubase_t) ptr - (rt_ubase_t) thread->stack_addr)) * 100