[ATOM-15854] Updating screenshots for alpha fix in o3de (#144)

Scripts/ExpectedScreenshots/TransparentTest/screenshot_back.png

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:2ffe0dc54dd3fa0507d341c439b23bbc4d9200236d083e9d56783531dfa8a7f2
-size 142035
+oid sha256:c4ad5b1613be4c6c881b8da5786973ff632105f097df7c6355c25bcbd52ec1e9
+size 188882

Scripts/ExpectedScreenshots/TransparentTest/screenshot_front.png

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:a32df1c65289f97f224d6c30607d0ff09b60060d6ccfb1a06ae18bf5d33e6a0e
-size 187195
+oid sha256:b4feb40fd69d008fae5ca319be3cec6b6cfe28006c3d1e89b2df629bde957d66
+size 233190