fix(screenshot): recover overlay image stub signatures

verify the path and two 32-bit coordinates in the overlay loader and the fourth origin argument in the forwarding export. retain both throwing bodies and remove the resolved signature debt.

core/libs/prx/libSceScreenShot/Export.cpp

@@ -5,11 +5,11 @@
 
 extern "C" {
 
-int APS5_VABI sceScreenShotSetOverlayImage() {
+int APS5_VABI sceScreenShotSetOverlayImage(const char* path, int x, int y) {
     NotImplemented_nid_no_patch(__func__);
     return 0;
 }
-int APS5_VABI sceScreenShotSetOverlayImageWithOrigin() {
+int APS5_VABI sceScreenShotSetOverlayImageWithOrigin(const char* path, int x, int y, int origin) {
     NotImplemented_nid_no_patch(__func__);
     return 0;
 }

docs/dev/debt/libSceScreenShot.md

@@ -3,4 +3,3 @@
 ### Unknown function info
 
 - [sceScreenShotCapture, sceScreenShotDisable, sceScreenShotDisableNotification, sceScreenShotEnable, sceScreenShotEnableNotification, sceScreenShotGetAppInfo, sceScreenShotGetDrcParam, sceScreenShotIsDisabled, sceScreenShotIsVshScreenCaptureDisabled, sceScreenShotSetDrcParam and sceScreenShotSetParam](../../../core/libs/prx/libSceScreenShot/Export.cpp) (libSceScreenShot) - names and NIDs are present in the [PS5 3.20 export inventory](https://github.com/DNNDHH/PS5-3.20_Libs/blob/b2a77c09cd71c01f34c790cfbe98c751a13262ad/libSceScreenShot.c), but no credible prototypes were found. They are declared without parameters solely to resolve known imports; this is not an ABI claim and callers must not call them until signatures are verified.
-- [sceScreenShotSetOverlayImage and sceScreenShotSetOverlayImageWithOrigin](../../../core/libs/prx/libSceScreenShot/Export.cpp) (libSceScreenShot) - names and NIDs are present in the [PS5 3.20 export inventory](https://github.com/DNNDHH/PS5-3.20_Libs/blob/b2a77c09cd71c01f34c790cfbe98c751a13262ad/libSceScreenShot.c). The PS4 compatibility implementation also exposes the names but declares no parameters; no PS5 prototype was found. The declarations have no parameters solely to resolve known imports and make no ABI claim