ui(core): update projects property type and enhance UI styling

- Changed the projects property in the Dashboard component from an array to a Collection for improved data handling.
- Added new color variables in CSS for better theming options.
- Updated button styles across various components for consistency and improved user experience.
- Refined dropdown and notification components for better visual alignment and usability.

resources/views/livewire/dashboard.blade.php

@@ -19,7 +19,7 @@
         @if ($projects->count() > 0)
             <div class="grid grid-cols-1 gap-4 xl:grid-cols-2">
                 @foreach ($projects as $project)
-                    <div class="relative gap-2 border border-transparent cursor-pointer box group">
+                    <div class="relative gap-2 cursor-pointer box group">
                         <a href="{{ $project->navigateTo() }}" class="absolute inset-0"></a>
                         <div class="flex flex-1 mx-6">
                             <div class="flex flex-col justify-center flex-1">