Merge branch '466-bug-temp-hint-for-too-high-or-low-value-shows-at-the-start'...

Merge branch '466-bug-temp-hint-for-too-high-or-low-value-shows-at-the-start' into 'rebased-redesign'

No warning msg if there is no temp data

See merge request bloodyhealth/drip!322

components/helpers/cycle-day.js

@@ -33,7 +33,7 @@ export const isPreviousTemperature = (temperature) => {
 }
 
 export const isTemperatureOutOfRange = (temperature) => {
-  if (temperature === '') return null
+  if (!temperature) return null
 
   const value = Number(temperature)
   const range = { min: TEMP_MIN, max: TEMP_MAX }