This commit introduces a critical performance optimization to the OnTick() function in the main Expert Advisor.
Previously, the function called the expensive `CopyRates()` function on every incoming price tick, only to potentially discard the data if a new bar had not formed.
This change implements an "early exit" strategy. By using the lightweight `iTime()` function at the very beginning of `OnTick()`, the EA now immediately checks for a new bar and exits if one has not formed. This ensures that the resource-intensive data copying and subsequent trading logic only run once per bar, significantly reducing CPU load and improving the overall efficiency of the advisor.
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