Fix endpoint box placeholder text

src/components/EndpointDialong.tsx

@@ -80,7 +80,7 @@ const EndpointDialog = ({ endpoint, secure }: EndpointDialogProps) => {
                 ? closeTheError()
                 : showTheError();
             }}
-            placeholder={!endpoint[0] ? "http://localhost:8080" : ""}
+            placeholder="localhost:8080"
             error={error}
             helperText={errorText}
           />