cli: convert coins to smallest unit registered (#7777)

* cli: convert coins to smallest unit registered

fixes: #7623

- test order of decimal operations
- support both int and decimal coins, truncate when normalizing to
  base unit

* Update types/coin_test.go

* Update types/coin_test.go

Co-authored-by: Alessio Treglia <alessio@tendermint.com>
Co-authored-by: Amaury <amaury.martiny@protonmail.com>
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>

client/tx/factory.go

@@ -120,7 +120,7 @@ func (f Factory) WithGas(gas uint64) Factory {
 
 // WithFees returns a copy of the Factory with an updated fee.
 func (f Factory) WithFees(fees string) Factory {
-	parsedFees, err := sdk.ParseCoins(fees)
+	parsedFees, err := sdk.ParseCoinsNormalized(fees)
 	if err != nil {
 		panic(err)
 	}