Dehardcoded Air Alarm's UI window title (#39072)

Extract the air alarm title to no longer be hardcoded

Content.Client/Atmos/Monitor/UI/AirAlarmWindow.xaml

@@ -2,7 +2,7 @@
             xmlns:x="http://schemas.microsoft.com/winfx/2007/xaml"
             xmlns:ui="clr-namespace:Content.Client.UserInterface.Controls"
             xmlns:gfx="clr-namespace:Robust.Client.Graphics;assembly=Robust.Client"
-            MinSize="500 500" Resizable="True" Title="Air Alarm">
+            MinSize="500 500" Resizable="True" Title="{Loc air-alarm-ui-title}">
     <BoxContainer Orientation="Vertical" Margin="5 5 5 5">
         <!-- Status (pressure, temperature, alarm state, device total, address, etc) -->
         <BoxContainer Orientation="Horizontal" Margin="0 0 0 2">

Resources/Locale/en-US/atmos/air-alarm-ui.ftl

@@ -2,6 +2,8 @@
 
 ## Window
 
+air-alarm-ui-title = Air Alarm
+
 air-alarm-ui-access-denied = Insufficient access!
 
 air-alarm-ui-window-pressure-label = Pressure