Set bool pointer to disable lock (#1516)

## Changes

This cherry-picks from #1490 to address an issue that came up in #1511.

The function `dyn.SetByPath` requires intermediate values to be present.
If they are not, it returns an error that it cannot index a map. This is
not an issue on main, where the intermediate maps are always created,
even if they are not present in the dynamic configuration tree. As of
#1511, we'll no longer populate empty maps for empty structs if they are
not explicitly set (i.e., a non-nil pointer). This change writes a bool
pointer to avoid this issue altogether.

## Tests

Unit tests pass.

bundle/config/mutator/process_target_mode.go

@@ -9,7 +9,6 @@ import (
 	"github.com/databricks/cli/bundle/config"
 	"github.com/databricks/cli/libs/auth"
 	"github.com/databricks/cli/libs/diag"
-	"github.com/databricks/cli/libs/dyn"
 	"github.com/databricks/cli/libs/log"
 	"github.com/databricks/databricks-sdk-go/service/catalog"
 	"github.com/databricks/databricks-sdk-go/service/jobs"
@@ -34,10 +33,8 @@ func (m *processTargetMode) Name() string {
 func transformDevelopmentMode(ctx context.Context, b *bundle.Bundle) diag.Diagnostics {
 	if !b.Config.Bundle.Deployment.Lock.IsExplicitlyEnabled() {
 		log.Infof(ctx, "Development mode: disabling deployment lock since bundle.deployment.lock.enabled is not set to true")
-		err := disableDeploymentLock(b)
-		if err != nil {
-			return diag.FromErr(err)
-		}
+		disabled := false
+		b.Config.Bundle.Deployment.Lock.Enabled = &disabled
 	}
 
 	r := b.Config.Resources
@@ -118,14 +115,6 @@ func transformDevelopmentMode(ctx context.Context, b *bundle.Bundle) diag.Diagno
 	return nil
 }
 
-func disableDeploymentLock(b *bundle.Bundle) error {
-	return b.Config.Mutate(func(v dyn.Value) (dyn.Value, error) {
-		return dyn.Map(v, "bundle.deployment.lock", func(_ dyn.Path, v dyn.Value) (dyn.Value, error) {
-			return dyn.Set(v, "enabled", dyn.V(false))
-		})
-	})
-}
-
 func validateDevelopmentMode(b *bundle.Bundle) diag.Diagnostics {
 	if path := findNonUserPath(b); path != "" {
 		return diag.Errorf("%s must start with '~/' or contain the current username when using 'mode: development'", path)

bundle/config/mutator/process_target_mode_test.go

@@ -330,7 +330,7 @@ func TestDisableLocking(t *testing.T) {
 	ctx := context.Background()
 	b := mockBundle(config.Development)
 
-	err := transformDevelopmentMode(ctx, b)
+	err := bundle.Apply(ctx, b, ProcessTargetMode())
 	require.Nil(t, err)
 	assert.False(t, b.Config.Bundle.Deployment.Lock.IsEnabled())
 }
@@ -341,7 +341,7 @@ func TestDisableLockingDisabled(t *testing.T) {
 	explicitlyEnabled := true
 	b.Config.Bundle.Deployment.Lock.Enabled = &explicitlyEnabled
 
-	err := transformDevelopmentMode(ctx, b)
+	err := bundle.Apply(ctx, b, ProcessTargetMode())
 	require.Nil(t, err)
 	assert.True(t, b.Config.Bundle.Deployment.Lock.IsEnabled(), "Deployment lock should remain enabled in development mode when explicitly enabled")
 }