message: Editable Start/End time in Time Editor (mac)
diff: <subviews>
  <textField horizontalHuggingPriority="1000" verticalHuggingPriority="1000" horizontalCompressionResistancePriority="1000" verticalCompressionResistancePriority="1000" translatesAutoresizingMaskIntoConstraints="NO" id="bCC-ON-SgR">
  <rect key="frame" x="-2" y="0.0" width="57" height="18"/>
  - <textFieldCell key="cell" lineBreakMode="clipping" alignment="center" title="09:90" id="XRL-p8-r7I">
  + <textFieldCell key="cell" lineBreakMode="truncatingTail" selectable="YES" editable="YES" alignment="center" title="09:90" id="XRL-p8-r7I">
  <font key="font" metaFont="system" size="14"/>
  <color key="textColor" name="labelColor" catalog="System" colorSpace="catalog"/>
  <color key="backgroundColor" name="textBackgroundColor" catalog="System" colorSpace="catalog"/>
  </textFieldCell>
  + <connections>
  + <action selector="startTextFieldOnChange:" target="-2" id="QA7-3N-T9h"/>
  + </connections>
  </textField>
  <button horizontalHuggingPriority="1000" verticalHuggingPriority="1000" horizontalCompressionResistancePriority="1000" verticalCompressionResistancePriority="1000" translatesAutoresizingMaskIntoConstraints="NO" id="Qzj-M9-zrp">
  <rect key="frame" x="61" y="6" width="12" height="7"/>
  </button>
  <textField horizontalHuggingPriority="1000" verticalHuggingPriority="1000" horizontalCompressionResistancePriority="1000" verticalCompressionResistancePriority="1000" translatesAutoresizingMaskIntoConstraints="NO" id="8yt-KD-lKA">
  <rect key="frame" x="79" y="0.0" width="57" height="18"/>
  - <textFieldCell key="cell" lineBreakMode="clipping" alignment="center" title="09:90" id="m0O-Wy-5Cq">
  + <textFieldCell key="cell" lineBreakMode="clipping" selectable="YES" editable="YES" alignment="center" title="09:90" id="m0O-Wy-5Cq">
  <font key="font" metaFont="system" size="14"/>
  <color key="textColor" name="labelColor" catalog="System" colorSpace="catalog"/>
  <color key="backgroundColor" name="textBackgroundColor" catalog="System" colorSpace="catalog"/>
  </textFieldCell>
  + <connections>
  + <action selector="endTextFieldOnChange:" target="-2" id="j6I-iv-TvL"/>
  + </connections>
  </textField>
  </subviews>
  <constraints>
  