Mentor dashboard buttons

[Uthra-karunakaran]

Related Issue

i just set up the buttons for calendar but there is an issues with setting it up for the queries , because of the " isTicketFormVisible" also the ticketform is not closing like the other components unless we close it ourself .

Description of Changes

• changed the buttons used in the "./components/mentorDashboard/calendar.js" to use our component buttons primary and secondary
• added logic to switch styles

Checklist:

• My code adheres to the established style guidelines of this project.
• I have conducted a self-review of my code.
• I have included comments in areas that may be difficult to understand.
• I have made corresponding updates to the project documentation.
• My changes have not introduced any new warnings.

Screenshots

Original	Updated

Please provide any necessary screenshots to illustrate the changes made.

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