Refactor delete handling and improve logging in event processing

- Updated the HandleDelete function to allow delete events to be stored even if no valid targets are found, enhancing flexibility in event management.
- Improved logging to provide clearer insights when no deletions are processed, ensuring that issues are logged without blocking event acceptance.
- Refactored SHA256 validation tests and adjusted expected values to ensure accuracy in hash comparisons.
- Enhanced various test cases to improve coverage and reliability across the application.

pkg/database/testmain_test.go

@@ -23,7 +23,7 @@ func TestMain(m *testing.M) {
 		log.W = lol.GetNullPrinter()
 		log.E = lol.GetNullPrinter()
 		log.F = lol.GetNullPrinter()
-		
+
 		// Also suppress badger logs
 		os.Setenv("BADGER_LOG_LEVEL", "CRITICAL")
 	}
@@ -31,4 +31,3 @@ func TestMain(m *testing.M) {
 	// Run tests
 	os.Exit(m.Run())
 }
-