UX improvements to Air Alarm UI (#12681)

Co-authored-by: Eoin Mcloughlin <helloworld@eoinrul.es>

Resources/Prototypes/Atmospherics/thresholds.yml

@@ -1,16 +1,24 @@
 - type: alarmThreshold
   id: stationTemperature
-  upperBound: 393.15 # T20C + 200
-  lowerBound: 193.15 # T20C - 100
-  upperWarnAround: 0.8
-  lowerWarnAround: 1.1
+  upperBound: !type:AlarmThresholdSetting
+    threshold: 393.15 # T20C + 200
+  lowerBound: !type:AlarmThresholdSetting
+    threshold: 193.15 # T20C - 100
+  upperWarnAround: !type:AlarmThresholdSetting
+    threshold: 0.8
+  lowerWarnAround: !type:AlarmThresholdSetting
+    threshold: 1.1
 
 - type: alarmThreshold
   id: stationPressure
-  upperBound: 550 # as defined in Atmospherics.cs
-  lowerBound: 20 # as defined in Atmospherics.cs
-  upperWarnAround: 0.7
-  lowerWarnAround: 2.5
+  upperBound: !type:AlarmThresholdSetting
+    threshold: 550 # as defined in Atmospherics.cs
+  lowerBound: !type:AlarmThresholdSetting
+    threshold: 20 # as defined in Atmospherics.cs
+  upperWarnAround: !type:AlarmThresholdSetting
+    threshold: 0.7
+  lowerWarnAround: !type:AlarmThresholdSetting
+    threshold: 2.5
 
 # a reminder that all of these are percentages (where 1 is 100%),
 # so 0.01 is 1%,
@@ -19,23 +27,31 @@
 
 - type: alarmThreshold
   id: stationOxygen
-  lowerBound: 0.10
-  lowerWarnAround: 1.5
+  lowerBound: !type:AlarmThresholdSetting
+    threshold: 0.10
+  lowerWarnAround: !type:AlarmThresholdSetting
+    threshold: 1.5
 
 - type: alarmThreshold
   id: stationCO2
-  upperBound: 0.0025
-  upperWarnAround: 0.5
+  upperBound: !type:AlarmThresholdSetting
+    threshold: 0.0025
+  upperWarnAround: !type:AlarmThresholdSetting
+    threshold: 0.5
 
 - type: alarmThreshold
   id: stationNO
-  upperBound: 0.01
-  upperWarnAround: 0.5
+  upperBound: !type:AlarmThresholdSetting
+    threshold: 0.01
+  upperWarnAround: !type:AlarmThresholdSetting
+    threshold: 0.5
 
 - type: alarmThreshold
   id: stationMiasma
-  upperBound: 0.05
-  upperWarnAround: 0.5
+  upperBound: !type:AlarmThresholdSetting
+    threshold: 0.05
+  upperWarnAround: !type:AlarmThresholdSetting
+    threshold: 0.5
 
 - type: alarmThreshold
   id: ignore # just ignore nitrogen??? ??? ???
@@ -43,4 +59,5 @@
 
 - type: alarmThreshold
   id: danger # just any gas you don't want at all
-  upperBound: 0.0001
+  upperBound: !type:AlarmThresholdSetting
+    threshold: 0.0001