To Define Mode for Non-Sigleton Windows/TopComponent

To Define Mode for Non-Sigleton Windows/TopComponent, add the desired mode in the Topcomponent's open() function.

@Override
    public void open() {
        Mode mode = WindowManager.getDefault().findMode("rightSlidingSide");
        if (mode != null) {
            mode.dockInto(this);
            super.open();
        }
    }

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