fix(overmind): should allow mutation on the transition state itself

Author: christianalfoni

packages/node_modules/overmind/src/statemachine.ts

@@ -29,9 +29,9 @@ class StateMachine<States extends string>  {
         if (definition.states[this.current].includes(key as any)) {
           if (this[CURRENT_EXIT]) this._currentExit()
           this[VALUE][CURRENT_EXIT] = exit
-          this.current = key as any
           const tree = (this[PROXY_TREE].master.mutationTree || this[PROXY_TREE])
           tree.enableMutations()
+          this.current = key as any
           const result = entry && entry()
           tree.blockMutations()