Basically in the coin select dialog allow users to spend those coins to an internal address of the wallet. This can already be done by copying an address and sending the coins there.
Having this as a specific item costs very little to build in terms of effort, and would encourage users to defrag their coins which would save them money and potentially improve their privacy.
Is the high level idea that the user would go to the Coins tab, select some set of UTXOs, right-click>"Consolidate coins", and then we would construct a tx that
has as inputs all and exactly the selected UTXOs
has a single output which is an unused receiving address in the wallet
Basically in the coin select dialog allow users to spend those coins to an internal address of the wallet. This can already be done by copying an address and sending the coins there.
Having this as a specific item costs very little to build in terms of effort, and would encourage users to defrag their coins which would save them money and potentially improve their privacy.