fix: running IQFeed client locally

[Romazes]

Description

Test

Success

Download package and run iQFeed process

lean live deploy

lean live deploy TestHistoryProvider --brokerage "Paper Trading" --data-provider-live IQFeed

lean data download

lean data download --data-provider-historical IQFeed --data-type trade --security-type future --resolution daily --market cme --ticker nq --start 20250601 --end 20250701

lean backtest

lean backtest TestHistoryProvider --data-provider-historical IQFeed

Failure

Application isn't starting.

lean live deploy

lean live deploy TestHistoryProvider --brokerage "Paper Trading" --data-provider-live IQFeed
--
Error: IQFeed failed to start (exit code 0). Check if IQFeed is installed, path is correct, and no other instance is running.

lean data download

lean data download --data-provider-historical IQFeed --data-type trade --security-type future --resolution daily --market cme --ticker nq --start 20250601 --end 20250701
--
Error: IQFeed failed to start (exit code 0). Check if IQFeed is installed, path is correct, and no other instance is running.

Application isn't installed.

Added a more graceful and user-friendly exception.