Don't save the outfit while it's already saving

It's weird to be reading this code and be like. was this not always an
issue? Maybe something in Apollo prevented this? Did we use optimistic
UI or something? Idk?

There's still an issue with it infinitely retrying in an error state
though.

app/javascript/wardrobe-2020/WardrobePage/useOutfitSaving.js

@@ -130,6 +130,7 @@ function useOutfitSaving(outfitState, dispatchToOutfit) {
     if (
       !isNewOutfit &&
       canSaveOutfit &&
+      !isSaving &&
       debouncedOutfitStateIsSaveable &&
       !outfitStatesAreEqual(debouncedOutfitState, outfitState.savedOutfitState)
     ) {
@@ -143,6 +144,7 @@ function useOutfitSaving(outfitState, dispatchToOutfit) {
   }, [
     isNewOutfit,
     canSaveOutfit,
+    isSaving,
     debouncedOutfitState,
     debouncedOutfitStateIsSaveable,
     outfitState.savedOutfitState,