T-Deck Pro: speed up eink force refresh (#9303)

src/graphics/EInkDisplay2.h

@@ -9,6 +9,15 @@
 #include "GxEPD2Multi.h"
 #endif
 
+// Limit how often we push a full E-Ink refresh. T-Deck Pro needs faster updates for typing.
+#ifndef EINK_FORCE_DISPLAY_THROTTLE_MS
+#if defined(T_DECK_PRO)
+#define EINK_FORCE_DISPLAY_THROTTLE_MS 200
+#else
+#define EINK_FORCE_DISPLAY_THROTTLE_MS 1000
+#endif
+#endif
+
 /**
  * An adapter class that allows using the GxEPD2 library as if it was an OLEDDisplay implementation.
  *
@@ -42,7 +51,7 @@ class EInkDisplay : public OLEDDisplay
      *
      * @return true if we did draw the screen
      */
-    virtual bool forceDisplay(uint32_t msecLimit = 1000);
+    virtual bool forceDisplay(uint32_t msecLimit = EINK_FORCE_DISPLAY_THROTTLE_MS);
 
     /**
      * Run any code needed to complete an update, after the physical refresh has completed.