private void populateGhidraInstallationCombo() {
		ghidraInstallDirCombo.removeAll();
		for (File dir : GhidraProjectCreatorPreferences.getGhidraInstallDirs()) {
			ghidraInstallDirCombo.add(dir.getAbsolutePath());
			if (dir.equals(GhidraProjectCreatorPreferences.getGhidraDefaultInstallDir())) {
				ghidraInstallDirCombo.setText(dir.getAbsolutePath());
			}
		}
	}
Populates the Ghidra installations combo box with the values found in preferences.
GhidraBuild/EclipsePlugins/GhidraDev/GhidraDevPlugin/src/main/java/ghidradev/ghidraprojectcreator/wizards/pages/ChooseGhidraInstallationWizardPage.java