feat: Add "Total Remaining Budget" display

[akashs056]

Pull request (PR) checklist

Please check if your pull request fulfills the following requirements:

• I've read the Contribution Guidelines and my PR doesn't break the rules.
• I've read and understand the Developer Guidelines.
• I confirm that I've run the code locally and everything works as expected.
• My PR includes only the necessary changes to fix the issue (i.e., no unnecessary files or lines of code are changed).
• 🎬 I've attached a screen recording of using the new code to the next paragraph (if applicable).

Screen recording of interacting with your changes:

WhatsApp.Video.2024-07-25.at.18.39.48_d1b07eed.mp4

What's changed?

• Added display for "Total Remaining Budget" beneath budget information.
• Calculated remaining budget for categorized and multi-categorized budgets.
• Included multi-language support for the "Total Remaining Budget" text.
• Enhanced user experience by providing a clear overview of remaining budget without manual summarization.

Does this PR close any GitHub issues? (do not delete)

• Closes [TOTAL REMAINING BUDGET]  #3365

[ILIYANGERMANOV]

Overall looks good, a few changes:

• use String? for the UI state of the new text
• do the calculation and formatting in the VM

This is needed for performance and architecture reasons.

[ILIYANGERMANOV]

Ping me for re-review when you've applied the changes

[akashs056]

@ILIYANGERMANOV applied the changes. please re-review it

[ILIYANGERMANOV]

Remove unnecessary state, fix Detekt and we can merge

[akashs056]

its ready to merge