private String getCommonPrefix(List<GTreeNode> children) {
		int commonPrefixSize = getCommonPrefixSize(children);
		return children.get(0).getName().substring(0, commonPrefixSize);
	}
Inserts the given node into this organization node which is different than calling the
{@link #addNode(GTreeNode)} method, which is used during construction.  This method knows
how to recursively find the correct {@link OrganizationNode} node into which the given
node should be inserted.

@param newNode the node to insert.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/symboltree/nodes/OrganizationNode.java