Each time you change the derivation path after the third level you will get a new xpub. This is why electrum is showing a different xpub.
You can see it in action here:
https://iancoleman.io/bip39/you also mentioned iancoleman.io/bip39 .
Please give me btc address here i will send 25$
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Here is my address
bc1quh9elty2g3v6h5pg6kq987vcd7flv4kdg007kt