[Feature] Allow contract specific saved templates

[0xphilipp]

Generally when interacting with contracts, often you require the same message again and again, so there should be a way to save query / execute msgs as named "templates" that can be loaded.

• Subfeature 1: Keep the last query / execute msg used on a contract in the local storage, so when navigating to a contract it is still there what the user has been working on. If there is some worry about local storage size -> use flag to activate.

Somewhere add some selection, or ideally show "templates", similar to the "Message Suggestions", maybe Template Suggestions, and a small (plus)

[tansawit]

Have a similar/adjacent feature that we're currently discussing and testing internally. Will revert once we have made more progress on it. But definitely an interesting feature to have