fix: used mantine color scheme hook to handle color scheme

[jainpawan21]

What change does this PR introduce?

1. replace useLocalThemePreference hook with useMantineColorScheme
2. replace chimera with echo in tooltip

Why was this change needed?

To fix this issue

Screen.Recording.2024-03-30.at.12.27.21.AM.mov

Other information (Screenshots)

After fix:-

Screen.Recording.2024-03-30.at.12.22.55.AM.mov

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