Database migrations: Support DateOnly and TimeOnly in syntax providers (#20784)

* sql column type map include dateonly and timeonly

* Split Mapper and add check null value

* Minor code tidy resolving a few warnings.

* add spaces

* clean code

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Co-authored-by: Lan Nguyen Thuy <lnt@umbraco.dk>
Co-authored-by: Andy Butland <abutland73@gmail.com>

tests/Umbraco.Tests.Integration/Testing/SqliteTestDatabase.cs

@@ -96,6 +96,8 @@ public class SqliteTestDatabase : BaseTestDatabase, ITestDatabase
 
         database.Mappers.Add(new NullableDateMapper());
         database.Mappers.Add(new SqlitePocoGuidMapper());
+        database.Mappers.Add(new SqlitePocoDecimalMapper());
+        database.Mappers.Add(new SqlitePocoDateAndTimeOnlyMapper());
 
         foreach (var dbCommand in _cachedDatabaseInitCommands)
         {