[ENHANCEMENT]: Add base templates to all Handlebars email templates

[Amaksss]

Pull Request

Description

This PR updates the email templating system to properly integrate base.hbs

The changes include:

Using {{#> base}} in child templates to ensure they inherit the structure from base.hbs.
Fixing Handlebars syntax errors to prevent rendering issues.
Ensuring consistency across email templates by standardizing how content is injected into base.hbs.

Related Issue

#1226

Fixes #(issue)

Type of Change

refactor: Code refactoring

• feat: New feature
• fix: Bug fix
• docs: Documentation updates
• style: Code style/formatting changes
• [x ] refactor: Code refactoring
• perf: Performance improvements
• test: Test additions/updates
• chore: Build process or tooling changes
• ci: CI configuration changes
• other:

How Has This Been Tested?

Test Evidence

Screenshots (if applicable)

Documentation Screenshots (if applicable)

Checklist

• [x ] My code follows the project's coding style
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• [x ] My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published
• I have included a screenshot showing all tests passing
• I have included documentation screenshots (if applicable)

Additional Notes

[TheCodeGhinux]

Can you fix the title??