fix: add null-guards to dialog close callbacks in savings, clients etc

[Manishnemade12]

Description

This PR resolves a silent crash (TypeError: Cannot read properties of undefined) that occurred when users dismissed confirmation dialogs across the Savings, Clients, and Loans modules by pressing Escape or clicking the backdrop.

When Angular Material's MatDialog is dismissed without a direct action button, afterClosed() emits undefined. Several components previously accessed .confirm or .delete on this undefined response without checking it first, breaking the action cascade flow.

Fix: Added a defensive if (!response) { return; } guard at the top of 13 afterClosed() callbacks across savings-account-view.component.ts, clients-view.component.ts, and loans-view.component.ts.

No external dependencies are required for this change.

Screenshots, if any

(Not applicable, silent console crash fixed)

Checklist

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📒 Files selected for processing (3)

• src/app/clients/clients-view/clients-view.component.ts
• src/app/loans/loans-view/loans-view.component.ts
• src/app/savings/savings-account-view/savings-account-view.component.ts

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[IOhacker]

LGTM

[Manishnemade12]

LGTM

@IOhacker can you please merge this pr then

[IOhacker]

Please open a Jira ticket for this one