RemedyBGPlugin: Look for .rdbg file in project dir if BinaryUnderDebug not set

src/text_editor/plugin_remedybg.cpp

@@ -2116,6 +2116,15 @@ bool RDBG_InitConnection(mco_coro *co) {
         }
     }
 
+    if (file.len == 0) {
+        Scratch scratch;
+        for (FileIter it = IterateFiles(scratch, ProjectDirectory); IsValid(it); Advance(&it)) {
+            if (EndsWith(it.filename, ".rdbg")) {
+                file = Intern(&GlobalInternTable, it.absolute_path);
+            }
+        }
+    }
+
     if (file.len == 0) {
         file = QueryUserFile(co);
     }