Refactor: enhance dashboard layout and experiment management features

- Added functionality to save and retrieve the current dashboard view in localStorage for improved user experience.
- Updated DashboardLayout component to handle view changes with access control based on user roles.
- Renamed Experiments component to ExperimentManagement for clarity.
- Introduced new ExperimentPhase interface and related utility functions for managing experiment phases.
- Updated seed data to include initial roles and experiment phases for testing.
- Cleaned up unnecessary blank lines in various files for better code readability.

management-dashboard-web-app/test_migration.sql

@@ -0,0 +1,14 @@
+-- Test migration to create experiment_phases table
+CREATE TABLE IF NOT EXISTS public.experiment_phases (
+    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+    name TEXT NOT NULL UNIQUE,
+    description TEXT,
+    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
+    updated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
+    created_by UUID NOT NULL
+);
+
+-- Insert test data
+INSERT INTO public.experiment_phases (name, description, created_by) 
+VALUES ('Phase 2 of JC Experiments', 'Second phase of JC Cracker experiments', '00000000-0000-0000-0000-000000000000')
+ON CONFLICT (name) DO NOTHING;