refactor: standardize filter handling across controllers

- Replaced "conditions" parameter with "filter" in various controller methods to unify the filtering approach.
- Updated related functions to utilize the new filter parameter, enhancing consistency in query handling.
- Improved overall code readability and maintainability by aligning naming conventions and refactoring filter-related logic.

core/controllers/task.go

@@ -79,10 +79,7 @@ func GetTaskList(c *gin.Context, params *GetTaskListParams) (response *ListRespo
 	}
 
 	// get query
-	query, err := GetFilterQueryFromListParams(params.GetListParams)
-	if err != nil {
-		return GetErrorListResponse[models.Task](err)
-	}
+	query := ConvertToBsonMFromListParams(params.GetListParams)
 
 	sort, err := GetSortOptionFromString(params.GetListParams.Sort)
 	if err != nil {