[BestPractice] Complete the task associated to this 'TODO' comment.

**Codacy ID:** `704f1fd694c57bb603b086d8aa7b7c6c`
  
  **File:** `FileProcessor/Common/Extensions.cs`
  **Line:** 71
  **Rule:** BestPractice (Warning)
  **Commit:** `e25d03ccc5380e14e5092bb1c188d6779f1b6dbc`
  
  **Code Snippet:**
  ```
          // TODO: Do we poll here for files incase they have been left from a previous run 
  ```