admin channel not case-sensitive

app/src/main/java/com/geeksville/mesh/model/UIState.kt

@@ -383,7 +383,8 @@ class UIViewModel @Inject constructor(
             }
     }
 
-    val adminChannelIndex: Int get() = channelSet.settingsList.map { it.name }.indexOf("admin")
+    val adminChannelIndex: Int
+        get() = channelSet.settingsList.map { it.name.lowercase() }.indexOf("admin")
 
     fun requestShutdown(idNum: Int) {
         try {

app/src/main/java/com/geeksville/mesh/service/MeshService.kt

@@ -930,7 +930,7 @@ class MeshService : Service(), Logging {
     }
 
     private fun addChannelSettings(ch: ChannelProtos.Channel) {
-        if (ch.index == 0 || ch.settings.name == "admin") adminChannelIndex = ch.index
+        if (ch.index == 0 || ch.settings.name.lowercase() == "admin") adminChannelIndex = ch.index
         serviceScope.handledLaunch {
             channelSetRepository.addSettings(ch)
         }
@@ -1354,7 +1354,7 @@ class MeshService : Service(), Logging {
     }
 
     private fun setChannel(ch: ChannelProtos.Channel) {
-        if (ch.index == 0 || ch.settings.name == "admin") adminChannelIndex = ch.index
+        if (ch.index == 0 || ch.settings.name.lowercase() == "admin") adminChannelIndex = ch.index
         sendToRadio(newMeshPacketTo(myNodeNum).buildAdminPacket(wantResponse = true) {
             setChannel = ch
         })