- disable button when action has been triggered

- removed auto-kill treada after 3 cycles (need to look again)

octoprint_CalibrationTools/templates/tabs/tab-esteps.jinja2

@@ -42,7 +42,8 @@
 <div class="row-fluid" style="margin-bottom: 5px;">
     <div class="span6"></div>
     <div class="span6">
-        <button class="btn btn-success" data-bind="click: $root.startExtrusion, enable: $root.is_admin() && $root.controlViewModel.isOperational() && (!$root.controlViewModel.isPrinting())"
+        <button class="btn btn-success"
+            data-bind="click: $root.startExtrusion, enable: $root.startExtrusionActive() && $root.is_admin() && $root.controlViewModel.isOperational() && (!$root.controlViewModel.isPrinting())"
             title="This will trigger M90, M83, G1 E100 F50, M82, G90 in order for extruding filament">
             <i class="fas fa-play" style="color:false" data-color="false"></i>&nbsp&nbsp
             Start extrusion
@@ -62,7 +63,7 @@
         <div class="input-append">
             <input type="number" id="eSteps" title="Current value for number of steps/mm for E axe in EEPROM" class="input-small" step="0.01" data-bind="value: $root.steps.E, enable:false">
             <span class="add-on" title="Current value for number of steps/mm for E axe in EEPROM">steps/mm</span>
-            <button class="btn" data-bind="click: $root.loadESteps, enable: $root.controlViewModel.isOperational() && (!$root.controlViewModel.isPrinting())"
+            <button class="btn" data-bind="click: $root.loadESteps, enable: $root.loadEStepsActive() && $root.controlViewModel.isOperational() && (!$root.controlViewModel.isPrinting())"
                 title="Loads current value of steps/mm from EEPROM by calling M92">
                 <i class="fas fa-sync-alt" style="color:false" data-color="false"></i>&nbsp&nbsp
             </button>