void setProvider(ComponentProvider newProvider) {
		this.componentProvider = newProvider;
		actions.clear();
		if (newProvider != null) {
			updateInfo(newProvider);
		}

		disposeComponent();
	}
Sets the component provider for this placeholder
@param newProvider the new provider
Ghidra/Framework/Docking/src/main/java/docking/ComponentPlaceholder.java