This PR adds TableFor, ColumnFor and FromTable extension methods for IDeleteExpressionRoot, IAlterExpressionRoot, and ISchemaExpressionRoot to ensure table and column names are resolved via NameCompatibilityManager.

Supports schema checks, altering, adding, and deleting columns in a type-safe manner.

Includes strongly-typed column selector overloads for safer refactoring.

Updated XML summaries for all new methods for consistency with existing extension methods.

Note: Changes in SchemaMigration are only for reference purposes.
These changes will not affect any existing migrations since the NopSchemaMigration attribute date has not been modified, and the migration will not execute.

Now we can write like below

 if (!Schema.TableFor<Topic>().ColumnFor<Topic>(t => t.AvailableEndDateTimeUtc).Exists())
 {
     Alter.TableFor<Topic>()
         .AddColumnFor<Topic>(t => t.AvailableEndDateTimeUtc)
         .AsDateTime()
         .Nullable();
 }
 
var footerColumn1ColumnName = "IncludeInFooterColumn1";
if (Schema.TableFor<Topic>().Column(footerColumn1ColumnName).Exists())
    Delete.Column(footerColumn1ColumnName).FromTable<Topic>();