Fix FindLocator implementation again

Author: GGomez99

internal/pnp/pnpapi.go

@@ -173,16 +173,16 @@ func (p *PnpApi) FindLocator(parentPath string) (*Locator, error) {
 
 	// Go down the trie, looking for the latest defined packageInfo that matches the path
 	for index, segment := range pathSegments {
-		if currentTrie.packageData != nil && index > bestLength {
-			bestLength = index
-			bestLocator = &Locator{Name: currentTrie.packageData.ident, Reference: currentTrie.packageData.reference}
-		}
+		currentTrie = currentTrie.childrenPathSegments[segment]
 
-		if currentTrie.childrenPathSegments[segment] == nil {
+		if currentTrie == nil || currentTrie.childrenPathSegments == nil {
 			break
 		}
 
-		currentTrie = currentTrie.childrenPathSegments[segment]
+		if currentTrie.packageData != nil && index > bestLength {
+			bestLength = index
+			bestLocator = &Locator{Name: currentTrie.packageData.ident, Reference: currentTrie.packageData.reference}
+		}
 	}
 
 	if bestLocator == nil {