EXR: fix incorrect loading of EXR files saved by Photoshop 2026

autotests/read/exr/ps2026_testcard_rgb.exr.json

@@ -0,0 +1,15 @@
+[
+    {
+        "fileName" : "ps2026_testcard_rgb.png",
+        "colorSpace" : {
+            "description" : "sRGB build-in (Profilo RGB lineare)",
+            "primaries" : "SRgb",
+            "transferFunction" : "Linear",
+            "gamma" : 1
+        },
+        "resolution" : {
+            "dotsPerMeterX" : 3937,
+            "dotsPerMeterY" : 3937
+        }
+    }
+]

autotests/read/exr/rgb-gimp.exr.json

@@ -2,7 +2,7 @@
     {
         "fileName" : "rgb-gimp.png",
         "colorSpace" : {
-            "description" : "",
+            "description" : "Embedded RGB (linear)",
             "primaries" : "Custom",
             "transferFunction" : "Linear",
             "gamma" : 1