For temperature, only show delete button when certain fields active

components/cycle-day/symptoms/temperature.js

@@ -47,7 +47,7 @@ export default class Temp extends SymptomView {
     } else {
       const prevTemp = getPreviousTemperature(props.date)
       if (prevTemp) {
-        this.state.temperature = prevTemp.toString()
+        this.state.suggestedTemperature = prevTemp.toString()
         this.state.isSuggestion = true
       }
     }
@@ -56,10 +56,9 @@ export default class Temp extends SymptomView {
   symptomName = 'temperature'
 
   isDeleteIconActive() {
-    return Object.keys(this.state).some(key => {
+    return ['temperature', 'note', 'exclude'].some(key => {
-    // the time is always prefilled, so it's not relevant for setting
+    // the time is always and the suggested temp sometimes prefilled, so they're not relevant for setting
-    // the delete button active
+    // the delete button active.
-      if (key === 'time') return
       return this.state[key] || this.state[key] === 0
     })
   }
@@ -151,8 +150,7 @@ export default class Temp extends SymptomView {
             <AppTextInput
               style={[inputStyle]}
               autoFocus={true}
-              placeholder={this.state.temperature}
+              value={this.state.temperature || this.state.suggestedTemperature}
-              value={this.state.temperature}
               onChangeText={this.setTemperature}
               keyboardType='numeric'
               maxLength={5}