fix: Debug flag should apply to single invocation only

This fixes a regression bug, where the `--debug` carries over to other
invocations of the `porter upgrade` command.

Signed-off-by: Kim Christensen <kimworking@gmail.com>

pkg/porter/parameters.go

@@ -8,6 +8,7 @@ import (
 	"fmt"
 	"path/filepath"
 	"sort"
+	"strconv"
 	"strings"
 	"time"
 
@@ -840,10 +841,7 @@ func (p *Porter) applyActionOptionsToInstallation(ctx context.Context, ba Bundle
 		return err
 	}
 
-	// Default the porter-debug param to --debug
-	if o.DebugMode {
-		parsedOverrides["porter-debug"] = "true"
-	}
+	parsedOverrides["porter-debug"] = strconv.FormatBool(o.DebugMode)
 
 	// Apply overrides on to of any pre-existing parameters that were specified previously
 	if len(parsedOverrides) > 0 {