v1.1.2: More FIR latency options, lower default

FIR quality selector now offers 6 choices:
512 (~6ms), 1024 (~12ms), 2048 (~23ms), 4096 (~46ms), 8192 (~93ms), 16384 (~186ms)
Default changed to 2048 (~23ms) for lower latency.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Source/FIREngine.cpp

@@ -33,7 +33,7 @@ void FIREngine::setBands (const std::vector<EQBand>& newBands)
 
 void FIREngine::setFFTOrder (int order)
 {
-    fftOrder.store (juce::jlimit (12, 14, order));
+    fftOrder.store (juce::jlimit (9, 14, order));
     needsUpdate.store (true);
     notify();
 }