Fix using '=' operator against an array (#973)

It fixes "[Logs] Web Traffic" dashboard panel:

Before: 
<img width="821" alt="Screenshot 2024-11-12 at 12 14 35"
src="https://github.com/user-attachments/assets/d594da02-4615-49f2-b489-6b87af7b6724">


After:
<img width="829" alt="Screenshot 2024-11-12 at 12 15 30"
src="https://github.com/user-attachments/assets/899e04ea-9076-4da6-869c-b1db67a96e7f">

quesma/quesma/schema_array_transformer.go

@@ -49,18 +49,19 @@ func NewArrayTypeVisitor(resolver arrayTypeResolver) model.ExprVisitor {
 			dbType := resolver.dbColumnType(column.ColumnName)
 			if strings.HasPrefix(dbType, "Array") {
 				op := strings.ToUpper(e.Op)
+				op = strings.TrimSpace(op)
 				switch {
 				case (op == "ILIKE" || op == "LIKE") && dbType == "Array(String)":
 
 					variableName := "x"
 					lambda := model.NewLambdaExpr([]string{variableName}, model.NewInfixExpr(model.NewLiteral(variableName), op, e.Right.Accept(b).(model.Expr)))
 					return model.NewFunction("arrayExists", lambda, e.Left)
 
-				case e.Op == "=":
+				case op == "=":
 					return model.NewFunction("has", e.Left, e.Right.Accept(b).(model.Expr))
 
 				default:
-					logger.Error().Msgf("Unhandled array infix operation  %s, column %v (%v)", e.Op, column.ColumnName, dbType)
+					logger.Error().Msgf("Unhandled array infix operation '%s', column '%v' ('%v')", e.Op, column.ColumnName, dbType)
 				}
 			}
 		}