Fix `div` error after amount is set as fiat (#21732)

* fix: cleanup send state on input unmount

* fix: switching default val to fiat filled input with 0.00

src/status_im/common/controlled_input/utils.cljs

@@ -150,15 +150,19 @@
 
 (defn- fiat->crypto
   [value conversion-rate]
+  (if-not (string/blank? value)
     (-> value
         (money/fiat->crypto conversion-rate)
-      (wallet-utils/cut-crypto-decimals-to-fit-usd-cents conversion-rate)))
+        (wallet-utils/cut-crypto-decimals-to-fit-usd-cents conversion-rate))
+    ""))
 
 (defn- crypto->fiat
   [value conversion-rate]
+  (if-not (string/blank? value)
     (-> value
         (money/crypto->fiat conversion-rate)
-      (wallet-utils/cut-fiat-balance-to-two-decimals)))
+        (wallet-utils/cut-fiat-balance-to-two-decimals))
+    ""))
 
 (defn ->crypto
   [state conversion-rate]

src/status_im/contexts/wallet/send/events.cljs

@@ -612,7 +612,7 @@
 
 (rf/reg-event-fx :wallet/clean-up-transaction-flow
  (fn [_]
-   {:fx [[:dispatch [:dismiss-modal :screen/wallet.transaction-confirmation]]
+   {:fx [[:dispatch [:wallet/clean-send-data]]
          [:dispatch [:wallet/clean-scanned-address]]
          [:dispatch [:wallet/clean-local-suggestions]]
          [:dispatch [:wallet/clean-send-address]]
@@ -622,11 +622,9 @@
 (rf/reg-event-fx :wallet/end-transaction-flow
  (fn [{:keys [db]}]
    (let [address (get-in db [:wallet :current-viewing-account-address])]
-     {:fx [[:dispatch [:wallet/navigate-to-account-within-stack address]]
-           [:dispatch [:wallet/select-account-tab :activity]]
-           [:dispatch-later
-            [{:ms       20
-              :dispatch [:wallet/clean-up-transaction-flow]}]]]})))
+     {:fx [[:dispatch [:dismiss-modal :screen/wallet.transaction-confirmation]]
+           [:dispatch [:wallet/navigate-to-account-within-stack address]]
+           [:dispatch [:wallet/select-account-tab :activity]]]})))
 
 (rf/reg-event-fx
  :wallet/build-transactions-from-route
@@ -693,7 +691,6 @@
                        :params     [{:uuid       (get-in transaction-for-signing [:sendDetails :uuid])
                                      :signatures signatures-map}]
                        :on-success (fn []
-                                     (rf/dispatch [:wallet/clean-send-data])
                                      (rf/dispatch [:hide-bottom-sheet]))
                        :on-error   (fn [error]
                                      (log/error "failed to send router transactions with signatures"

src/status_im/contexts/wallet/send/input_amount/view.cljs

@@ -258,6 +258,8 @@
                                              (set-input-state
                                               #(controlled-input/->crypto % conversion-rate)))
                                            (set-crypto-currency (not crypto-currency?)))]
+    (rn/use-unmount
+     #(rf/dispatch [:wallet/clean-up-transaction-flow]))
     (rn/use-effect
      (fn []
        (when active-screen?

src/status_im/contexts/wallet/swap/setup_swap/view.cljs

@@ -25,7 +25,7 @@
     [utils.re-frame :as rf]
     [utils.string :as utils.string]))
 
-(def ^:private default-text-for-unfocused-input "0.00")
+(def ^:private default-text-for-unfocused-input "0")
 (def ^:private swap-proposal-debounce-time-ms 1000)
 
 (defn- on-close