FEATURE: Add "Now" as an option (default hidden) to the future date input selector (#10047)

Sometimes you need to schedule things from now onward. "Now" in this case is now + 1 minute. this option is hidden by default.

app/assets/javascripts/discourse/app/templates/components/future-date-input.hbs

@@ -11,6 +11,7 @@
         includeWeekend=includeWeekend
         includeFarFuture=includeFarFuture
         includeMidFuture=includeMidFuture
+        includeNow=includeNow
         clearable=clearable
         none="topic.auto_update_input.none"
         onChangeInput=onChangeInput

app/assets/javascripts/select-kit/addon/components/future-date-input-selector.js

@@ -18,6 +18,13 @@ function buildTimeframe(opts) {
 }
 
 export const TIMEFRAMES = [
+  buildTimeframe({
+    id: "now",
+    format: "h:mm a",
+    enabled: opts => opts.canScheduleNow,
+    when: time => time.add(1, "minute"),
+    icon: "magic"
+  }),
   buildTimeframe({
     id: "later_today",
     format: "h a",
@@ -214,6 +221,7 @@ export default ComboBoxComponent.extend(DatetimeMixin, {
       includeFarFuture: this.includeFarFuture,
       includeDateTime: this.includeDateTime,
       includeBasedOnLastPost: this.statusType === CLOSE_STATUS_TYPE,
+      canScheduleNow: this.includeNow || false,
       canScheduleToday: 24 - now.hour() > 6
     };