Use graph emoji for plot settings

pytec/tec_qt.ui

@@ -264,11 +264,11 @@
            </item>
            <item>
             <widget class="QToolButton" name="plot_settings">
-             <property name="text">
-              <string>...</string>
              <property name="toolTip">
               <string>Plot Settings</string>
              </property>
+             <property name="text">
+              <string>📉</string>
              </property>
              <property name="popupMode">
               <enum>QToolButton::InstantPopup</enum>

pytec/ui_tec_qt.py

@@ -228,8 +228,8 @@ class Ui_MainWindow(object):
         self.bottom_settings_group.setToolTip(_translate("MainWindow", "Thermostat Settings"))
         self.connect_btn.setText(_translate("MainWindow", "Connect"))
         self.status_lbl.setText(_translate("MainWindow", "Disconnected"))
-        self.plot_settings.setText(_translate("MainWindow", "..."))
         self.plot_settings.setToolTip(_translate("MainWindow", "Plot Settings"))
+        self.plot_settings.setText(_translate("MainWindow", "📉"))
         self.report_lbl.setText(_translate("MainWindow", "Poll every: "))
         self.report_refresh_spin.setSuffix(_translate("MainWindow", " s"))
         self.report_box.setText(_translate("MainWindow", "Report"))