[Refactor] Convert to switch expressions.

Aaru.Core/Devices/Dumping/CompactDisc/Dump.cs

@@ -398,18 +398,11 @@ sealed partial class Dump
                 break;
         }
 
-        switch(desiredSubchannel)
-        {
-            case MmcSubchannel.None:
-                subType = TrackSubchannelType.None;
-
-                break;
-            case MmcSubchannel.Raw:
-            case MmcSubchannel.Q16:
-                subType = TrackSubchannelType.Raw;
-
-                break;
-        }
+        subType = desiredSubchannel switch
+                  {
+                      MmcSubchannel.None                     => TrackSubchannelType.None,
+                      MmcSubchannel.Raw or MmcSubchannel.Q16 => TrackSubchannelType.Raw
+                  };
 
         blockSize = sectorSize + subSize;
 

Aaru.Core/Devices/Dumping/Sbc/Dump.cs

@@ -91,15 +91,11 @@ partial class Dump
 
         if(opticalDisc)
         {
-            switch(dskType)
-            {
-                case MediaType.REV35:
-                case MediaType.REV70:
-                case MediaType.REV120:
-                    opticalDisc = false;
-
-                    break;
-            }
+            opticalDisc = dskType switch
+                          {
+                              MediaType.REV35 or MediaType.REV70 or MediaType.REV120 => false,
+                              _                                                      => opticalDisc
+                          };
         }
 
         _dumpLog.WriteLine(Localization.Core.Initializing_reader);