proton: Always check if the prefix config changed.

In particular, make sure that we update builtin dlls for the first process that runs.

proton

@@ -488,20 +488,19 @@ class CompatData:
                 builtin_dll_copy,
             ))
 
-            if old_ver == CURRENT_PREFIX_VERSION:
+            # check whether any prefix config has changed
-                # check whether any prefix config has changed
+            try:
-                try:
+                with open(self.config_info_file, "r") as f:
-                    with open(self.config_info_file, "r") as f:
+                    old_prefix_info = f.read()
-                        old_prefix_info = f.read()
+            except IOError:
-                except IOError:
+                old_prefix_info = ""
-                    old_prefix_info = ""
 
-                if old_prefix_info != prefix_info:
+            if old_ver != CURRENT_PREFIX_VERSION or old_prefix_info != prefix_info:
-                    # update builtin dll symlinks or copies
+                # update builtin dll symlinks or copies
-                    self.update_builtin_libs(builtin_dll_copy)
+                self.update_builtin_libs(builtin_dll_copy)
 
-                    with open(self.config_info_file, "w") as f:
+                with open(self.config_info_file, "w") as f:
-                        f.write(prefix_info)
+                    f.write(prefix_info)
 
             with open(self.version_file, "w") as f:
                 f.write(CURRENT_PREFIX_VERSION + "\n")