[WEB-5135] refactor: update sites ESLint configuration and refactor imports to use type imports (#7956)

- Enhanced ESLint configuration by adding new rules for import consistency and type imports.
- Refactored multiple files to replace regular imports with type imports for better clarity and performance.
- Ensured consistent use of type imports across the application to align with TypeScript best practices.

Co-authored-by: sriram veeraghanta <veeraghanta.sriram@gmail.com>

apps/space/ce/components/editor/embeds/mentions/root.tsx

@@ -1,4 +1,4 @@
 // plane editor
-import { TMentionComponentProps } from "@plane/editor";
+import type { TMentionComponentProps } from "@plane/editor";
 
 export const EditorAdditionalMentionsRoot: React.FC<TMentionComponentProps> = () => null;