Dying while in spectator

I was testing paintings in my world and I was admiring my skills when I kept seeing mobs ruining my view, so I set a command block that said /kill @e. I then wanted to go to spectator mode to look at the view even better when all of a sudden the command block kept killing me. I want this feature removed as I feel like spectator is basically the same as creative mode. I was testing it in my creative singleplayer flat world. I would appreciate it if you would fix/remove this feature. And now the ui has gone pink. Thank you for your attention.

The description of the video-file:///C:/Users/User%201/Videos/2024-01-05%2015-05-18.mp4

I open the same world I had experienced the feature on. It won't load so I close it down and the black screen comes on the recording to show I closed it down. I open MC again and I open the world settings to disable command blocks. I then click play and when I load in the hotbar, the gui and the ui won't load except the save and quit to title screen. I quit minecraft and it gets stuck on the "saving world" and says "Your game is being saved. Please do not turn of your device" for the remainder of the video. I had no other option than force close the game.