void setApplyEnabled(boolean state) {
		applyButton.setEnabled(state);
		if (state) { // Set focus to apply button when it gets enabled.
			applyButton.requestFocus();
		}
	}
Enables/disables the Apply button at the bottom of the merge tool.
The Apply button is for applying conflicts.
@param state true means enable the button. false means disable it.
Ghidra/Features/Base/src/main/java/ghidra/app/merge/MergeManagerProvider.java