Refactor snackbar old component scoped state (#13183)

This PR refactors the snackbar modules that was using legacy versions of
our state management.

We replace the old states with new ones and also the old scoped context
with component instance context.

packages/twenty-front/src/utils/format/__tests__/spiltFullName.test.ts

@@ -0,0 +1,80 @@
+import { splitFullName } from '~/utils/format/spiltFullName';
+
+describe('splitFullName', () => {
+  it('should split a full name with two parts', () => {
+    const result = splitFullName('John Doe');
+    expect(result).toEqual(['John', 'Doe']);
+  });
+
+  it('should handle names with extra whitespace', () => {
+    const result = splitFullName('  John   Doe  ');
+    expect(result).toEqual(['John', 'Doe']);
+  });
+
+  it('should handle single name', () => {
+    const result = splitFullName('John');
+    expect(result).toEqual(['John', '']);
+  });
+
+  it('should handle empty string', () => {
+    const result = splitFullName('');
+    expect(result).toEqual(['', '']);
+  });
+
+  it('should handle only whitespace', () => {
+    const result = splitFullName('   ');
+    expect(result).toEqual(['', '']);
+  });
+
+  it('should handle names with more than two parts', () => {
+    const result = splitFullName('John Michael Doe');
+    expect(result).toEqual(['John', 'Michael']);
+  });
+
+  it('should handle names with multiple middle names', () => {
+    const result = splitFullName('John Michael Christopher Doe');
+    expect(result).toEqual(['John', 'Michael']);
+  });
+
+  it('should handle names with hyphenated parts', () => {
+    const result = splitFullName('Mary-Jane Watson-Smith');
+    expect(result).toEqual(['Mary-Jane', 'Watson-Smith']);
+  });
+
+  it('should handle names with apostrophes', () => {
+    const result = splitFullName("John O'Connor");
+    expect(result).toEqual(['John', "O'Connor"]);
+  });
+
+  it('should handle names with special characters', () => {
+    const result = splitFullName('José García-López');
+    expect(result).toEqual(['José', 'García-López']);
+  });
+
+  it('should handle names with multiple consecutive spaces', () => {
+    const result = splitFullName('John     Doe');
+    expect(result).toEqual(['John', 'Doe']);
+  });
+
+  it('should handle names with tabs and newlines', () => {
+    const result = splitFullName('John\t\nDoe');
+    expect(result).toEqual(['John', 'Doe']);
+  });
+
+  it('should handle very long names', () => {
+    const result = splitFullName(
+      'John Michael Christopher Alexander Doe Smith Johnson',
+    );
+    expect(result).toEqual(['John', 'Michael']);
+  });
+
+  it('should handle single character names', () => {
+    const result = splitFullName('J D');
+    expect(result).toEqual(['J', 'D']);
+  });
+
+  it('should handle names with numbers', () => {
+    const result = splitFullName('John Doe II');
+    expect(result).toEqual(['John', 'Doe']);
+  });
+});