flutter-app/editor.xml

<application>
  <component name="DefaultFont">
    <option name="FONT_FAMILY" value="Fira Code" />
    <option name="USE_LIGATURES" value="true" />
  </component>
</application>
AI-3.3 <Devcs@DESKTOP-GP4CQC5 Create ide.general.xml, git.xml, _@user_Default.icls, project.default.xml, Singleton.java, Enum.java, Interface.java, terminal.xml, Default.xml, androidStudioFirstRun.xml, ui.lnf.xml, filetypes.xml, _@user_Material Lighter.icls, colors.scheme.xml, _@user_Darcula.icls, github_settings.xml, AnnotationType.java, laf.xml, _@user_Material Darker.icls, material_custom_theme.xml, Class.java, jdk.table.xml, path.macros.xml, material_theme.xml, vcs.xml, editor.codeinsight.xml, _@user_Material One Dark.icls, editor.xml, debugger.xml 2019-02-09 04:25:59 +00:00			`<application>`
			`<component name="DefaultFont">`
			`<option name="FONT_FAMILY" value="Fira Code" />`
			`<option name="USE_LIGATURES" value="true" />`
			`</component>`
			`</application>`