fix: hmr doesn't work properly in paths with the character '.'

[dgmachado]

PR Checklist

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What is the current behavior?

The hmr doesn't work properly in paths with the character '.'. Steps to reproduce:

1. Create folder named a.b-t14.32
2. Enter on the a.b-t14.32 folder
3. Create a ns project using angular template inside
4. Run "ns run ios"
5. Change the app.ts file and save the changes.

Actual result:

The app doesn't restart

Expected result:

The app restart.

What is the new behavior?

After change the app.ts file and save the changes the app restarts properly.

Issue

The issue was happening on the wepack compiler service. The hash value wasn't being computed properly.

Before fix:

After fix: