bug: Holdings total to include all tokens

[max-digi]

Describe the solution you'd like

Expected behaviour: all token values, even custom, should add up

Review index supply query approach

[max-digi]

Also consider that only native assets are showing, but all assets held should show https://tempoxyz.slack.com/archives/C09K91ETGRY/p1765393514029229?thread_ts=1765393496.261109&cid=C09K91ETGRY

[Abduld1234]

How can we test the chain?... No dapps to interact with