fix : Top Bar Titles updation

[revanthkumarJ]

Fixes - Jira-#231

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Please Add Screenshots If there are any UI changes.

Before	After

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[Nagarjuna0033]

@revanthkumarJ Add a screenshot what you have refactored.

[revanthkumarJ]

@Nagarjuna0033

In Privacy policy screen

Before	After

And in other screens topBar i didn't changed ui .changed fontSizes only

Before:
uses for some topbars 24.sp for some titleLarge and some titleMedium

Now:
changed all to follow a similar one i.e titleMedium

[niyajali]

@revanthkumarJ We're creating TopAppBar for each screen instead of using the core MifosTopAppBar component which does the same. consider use that one

[revanthkumarJ]

@niyajali @Nagarjuna0033 can you review it once and approve this if no changes are required

[niyajali]

Create these overload and use all over the project based on its requirement instead of creating TopAppBar for each screen

[revanthkumarJ]

@niyajali removed all externally defined topBars and used only MifosTopAppBar and done necessary changes so that they work for all top Bars

can you review it once

[niyajali]

Have you verified that the TopAppBar maintains a consistent appearance and behavior across all screens in the application? Could you ensure it follows the same design guidelines (e.g., elevation, title style, navigation icon, and actions) on every screen where it's used?

[revanthkumarJ]

Have you verified that the TopAppBar maintains a consistent appearance and behavior across all screens in the application? Could you ensure it follows the same design guidelines (e.g., elevation, title style, navigation icon, and actions) on every screen where it's used?

@niyajali yes i have verified it in all screens the functionality is working fine and it followed same styles like fontSize medium and navigationIcon (backArrow in all screen and menu in home etc.)