private Symbol findSymbolToPromote(Address address) {
		Symbol[] symbols = getSymbols(address);
		if (symbols.length > 1) {
			return symbols[1];
		}
		return null;
	}
Checks if the givens symbols from the same address have exactly one primary symbol amongst
them

@param symbols the array of symbols at a an address
@return true if there is exactly one primary symbol at the address (also true if no symbols
        at address)
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/symbol/SymbolManager.java