[DGD-4747] Polish the loading feedback

[Kess220]

This pull request includes changes to improve the loading state management and streamline the fetching process for column and table lineage data. The most important changes include adding loading indicators, refactoring the fetching functions, and updating the Redux state management to handle loading states.

Loading State Management:

• web/src/routes/column-level/ActionBar.tsx: Replaced loading state with isLoading prop and removed unnecessary state management. [1] [2] [3] [4]
• web/src/routes/table-level/ActionBar.tsx: Added isLoading prop and updated the loading condition to include isLoading. [1] [2] [3]
• web/src/routes/column-level/ColumnLevel.tsx: Added isLoading prop and conditional rendering for loading state. [1] [2] [3] [4] [5] [6]
• web/src/routes/table-level/TableLevel.tsx: Added isLoading prop and conditional rendering for loading state. [1] [2] [3] [4] [5] [6] [7]

Fetching Functions Refactoring:

• web/src/store/actionCreators/index.ts: Added fetchLineageStart and fetchLineageEnd actions to manage loading state during lineage fetching. [1] [2]
• web/src/store/actionCreators/actionTypes.ts: Added new action types for starting and ending the fetching process. [1] [2]

Redux State Management:

• web/src/store/reducers/columnLineage.ts: Updated reducer to handle FETCH_COLUMN_LINEAGE_START and FETCH_COLUMN_LINEAGE_END actions. [1] [2]
• web/src/store/reducers/lineage.ts: Updated reducer to handle FETCH_LINEAGE_START and FETCH_LINEAGE_END actions. [1] [2] [3]
• web/src/store/reducers/index.ts: Corrected import path for IColumnLineageState.

These changes ensure that the application properly manages loading states, providing a better user experience by displaying loading indicators during data fetching operations.

Type of Change

• Bug fix
• New feature
• Breaking change
• Documentation update

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes