During spamming, graphs will get really heavy and might even halt, we should seek approaches to speed up the drawing and data processing as much as we can.
[x] UTXO and branch DAG does not draw stuff after refreshing
[x] UTXO and branch DAG can't zoom in if too many txs and branches
[x] draw one input/output with labels showing the actual number of them
During spamming, graphs will get really heavy and might even halt, we should seek approaches to speed up the drawing and data processing as much as we can.