refactor(main.go, npm_test.go): remove processProjectFile, use processProjectFileByType directly

Eliminate redundant processProjectFile function and update its usages and tests
to call processProjectFileByType directly, simplifying project file handling logic.

Author: inayayousfi

main.go

@@ -19,10 +19,6 @@ func processCargoPackage(packagePath string) error {
 	return nil
 }
 
-func processProjectFile() error {
-	return processProjectFileByType(Ctx.ProjectType, Ctx.ProjectFilePath)
-}
-
 func processProjectFileByType(projectType TypeOfProject, projectFilePath string) error {
 	switch projectType {
 	case NPM:
@@ -87,7 +83,7 @@ func main() {
 	foundSupported, err := scanProjectFiles(entries, func(projectType TypeOfProject, projectFilePath string) error {
 		Ctx.ProjectType = projectType
 		Ctx.ProjectFilePath = projectFilePath
-		return processProjectFile()
+		return processProjectFileByType(Ctx.ProjectType, Ctx.ProjectFilePath)
 	})
 
 	if err != nil {

npm_test.go

@@ -462,10 +462,10 @@ func TestProcessNPMPackage(t *testing.T) {
 	})
 }
 
-func TestProcessProjectFile(t *testing.T) {
+func TestProcessProjectFileByType(t *testing.T) {
 	withTestContext(t, Context{ProjectType: NotSupported, ProjectFilePath: "unknown.lock"})
 
-	err := processProjectFile()
+	err := processProjectFileByType(Ctx.ProjectType, Ctx.ProjectFilePath)
 	if err == nil {
 		t.Fatal("expected unsupported project type to return an error")
 	}