Improve set supply (#8950)

* temp commit

* remove set supply

* fix supply

* remove keys

* improve supply set

* update changelog

* improve linter

* update setSupply to get only one coin

* update genesis

* remove dirt

* save only supply

* go fmt

* update rosetta test bootstrap

Co-authored-by: Alessio Treglia <alessio@tendermint.com>
Co-authored-by: Frojdi Dymylja <33157909+fdymylja@users.noreply.github.com>
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>

contrib/rosetta/configuration/bootstrap.json

@@ -1,7 +1,7 @@
 [
   {
     "account_identifier": {
-      "address":"cosmos1ujtnemf6jmfm995j000qdry064n5lq854gfe3j"
+      "address":"cosmos1gykh2dsytj0lde8wr9msl9xd2nyj88duvmsnn7"
     },
     "currency":{
       "symbol":"stake",