Meaning as the IanColeman tool views every seed put into it as a 100% standard BIP39 seed there is no way it will derive the correct addresses from the Electrum seed as it gives wrong information due to its different structure?
Correct. Again, I'm not a good technical resource, but as I understand it when Electrum creates a seed the order or selection of specific words creates a checksum for Electrum to use as an additional piece of information for address determination.
Other wallets don't include that piece of code, it's specific to Electrum.
Edit: Is there a way to show the exact derivation path to a specific address in the Electrum wallet? I know I chose m/49'/0'/0' when generating but im curious if it really ended up beeing this path. Tried wallet.keystore.derivation in the Electrum console but this didn't work.
Not that I know of. The information may exist in the wallet file but I don't know of any way to find that information through the GUI frontend. I'm not aware of any console command that will provide the information either. Another thing to keep in mind, I don't believe Electrum's seed generator will create a seed specific to Bip49 standard, only Bip44 (legacy) and Bip84 (native segwit.)