public void setSubTitle(String subTitle) {
		if (customSubTitle != null) {
			return;
		}

		this.subTitle = subTitle;
		if (isInTool()) {
			dockingTool.updateTitle(this);
		}
	}
Sets the provider's sub-title (Sub-titles don't show up
in the window menu).
@param subTitle the sub-title string to use.
Ghidra/Framework/Docking/src/main/java/docking/ComponentProvider.java