Changing another player's gamemode using `/execute as` shows shows wrong message in chat for both players

Changing another player's gamemode using /execute as will result in the command execution chat messages to show incorrectly for both the command executor, and the player who's gamemode was changed.

Steps to Reproduce:

1. Have two players join a server, or LAN world
2. Player 1 exectutes the following command:

   /execute as [PLAYER 2 NAME] run gamemode [GAMEMODE]
   

Observed Behavior:

Player 1 will see the following chat message, which states their 'own' gamemode was changed:

Player 2 will see a chat message of the gamemode changing, as if it was another player:
(example)

Expected Behavior:

The messages shown to each player would be inverted, and properly describe what happened to the player whose gamemode was changed.

Screenshots/Videos:

GamemodeChangeMultiplayer.mp4