Add dev menu items for manipulating IS wizard results

Especially on XL, it is quite annoying to test various
input shaper calibration behaviours when doing factory reset.

This should be reverted if we ever need more FLASH memory
and/or after product managers stop rapidly changing specs.

src/gui/MItem_input_shaper.cpp

@@ -115,6 +115,17 @@ MI_IS_CALIB::MI_IS_CALIB()
 void MI_IS_CALIB::click([[maybe_unused]] IWindowMenu &window_menu) {
     marlin_client::gcode("M1959");
 }
+
+// dev item, no need to translate
+MI_IS_CALIB_RESULT::MI_IS_CALIB_RESULT(const char *label, const char *gcode)
+    : IWindowMenuItem { _(label), nullptr, is_enabled_t::yes, is_hidden_t::dev }
+    , gcode { gcode } {
+}
+
+void MI_IS_CALIB_RESULT::click(IWindowMenu &) {
+    marlin_client::gcode(gcode);
+}
+
 #endif
 
 MI_IS_RESTORE_DEFAULTS::MI_IS_RESTORE_DEFAULTS()

src/gui/MItem_input_shaper.hpp

@@ -109,4 +109,39 @@ class MI_IS_CALIB : public IWindowMenuItem {
 protected:
     virtual void click(IWindowMenu &window_menu) override;
 };
+
+class MI_IS_CALIB_RESULT : public IWindowMenuItem {
+private:
+    const char *gcode;
+
+protected:
+    MI_IS_CALIB_RESULT(const char *label, const char *gcode);
+
+    virtual void click(IWindowMenu &) final;
+};
+
+class MI_IS_CALIB_RESULT_UNKNOWN final : public MI_IS_CALIB_RESULT {
+public:
+    MI_IS_CALIB_RESULT_UNKNOWN()
+        : MI_IS_CALIB_RESULT("Set Result Unknown", "M1959 W0") {}
+};
+
+class MI_IS_CALIB_RESULT_SKIPPED final : public MI_IS_CALIB_RESULT {
+public:
+    MI_IS_CALIB_RESULT_SKIPPED()
+        : MI_IS_CALIB_RESULT("Set Result Skipped", "M1959 W1") {}
+};
+
+class MI_IS_CALIB_RESULT_PASSED final : public MI_IS_CALIB_RESULT {
+public:
+    MI_IS_CALIB_RESULT_PASSED()
+        : MI_IS_CALIB_RESULT("Set Result Passed", "M1959 W2") {}
+};
+
+class MI_IS_CALIB_RESULT_FAILED final : public MI_IS_CALIB_RESULT {
+public:
+    MI_IS_CALIB_RESULT_FAILED()
+        : MI_IS_CALIB_RESULT("Set Result Failed", "M1959 W3") {}
+};
+
 #endif

src/gui/screen_menu_input_shaper.hpp

@@ -16,6 +16,10 @@ using ScreenMenuInputShaper = ScreenMenu<
     MI_RETURN,
 #if HAS_INPUT_SHAPER_CALIBRATION()
     MI_IS_CALIB,
+    MI_IS_CALIB_RESULT_UNKNOWN,
+    MI_IS_CALIB_RESULT_SKIPPED,
+    MI_IS_CALIB_RESULT_PASSED,
+    MI_IS_CALIB_RESULT_FAILED,
 #endif
     MI_IS_ENABLE_EDITING,
     MI_IS_X_ONOFF,

src/marlin_stubs/M1959.cpp

@@ -585,6 +585,17 @@ static void M1959_internal(PhasesInputShaperCalibration phase) {
 namespace PrusaGcodeSuite {
 
 void M1959() {
+    if (parser.seen('W')) {
+        switch (const uint8_t w = parser.value_byte()) {
+        case 0:
+        case 1:
+        case 2:
+        case 3:
+            set_test_result(static_cast<TestResult>(w));
+        }
+        return;
+    }
+
     switch (get_test_result()) {
     case TestResult_Unknown:
         // Do not run calibration on the initial wizard after factory reset,