fix(eventstore): revert precise decimal (#8527) (#8679)

internal/eventstore/handler/v2/state.go

@@ -7,8 +7,6 @@ import (
 	"errors"
 	"time"
 
-	"github.com/shopspring/decimal"
-
 	"github.com/zitadel/zitadel/internal/api/authz"
 	"github.com/zitadel/zitadel/internal/eventstore"
 	"github.com/zitadel/zitadel/internal/zerrors"
@@ -16,7 +14,7 @@ import (
 
 type state struct {
 	instanceID     string
-	position       decimal.Decimal
+	position       float64
 	eventTimestamp time.Time
 	aggregateType  eventstore.AggregateType
 	aggregateID    string
@@ -47,7 +45,7 @@ func (h *Handler) currentState(ctx context.Context, tx *sql.Tx, config *triggerC
 		aggregateType = new(sql.NullString)
 		sequence      = new(sql.NullInt64)
 		timestamp     = new(sql.NullTime)
-		position      = new(decimal.NullDecimal)
+		position      = new(sql.NullFloat64)
 		offset        = new(sql.NullInt64)
 	)
 
@@ -77,7 +75,7 @@ func (h *Handler) currentState(ctx context.Context, tx *sql.Tx, config *triggerC
 	currentState.aggregateType = eventstore.AggregateType(aggregateType.String)
 	currentState.sequence = uint64(sequence.Int64)
 	currentState.eventTimestamp = timestamp.Time
-	currentState.position = position.Decimal
+	currentState.position = position.Float64
 	// psql does not provide unsigned numbers so we work around it
 	currentState.offset = uint32(offset.Int64)
 	return currentState, nil