indicating when menu item are disabled

basetheme_bootstrap/static/css/basetheme_bootstrap4_pasteur.css

@@ -356,6 +356,10 @@ color: #0275e3;
     background-color: #989287;
     border-color: #989287;
 }
+.btn-secondary+.dropdown-menu>.dropdown-item.disabled,.btn-secondary+.dropdown-menu>.dropdown-item:disabled,
+.btn-outline-secondary+.dropdown-menu>.dropdown-item.disabled,.btn-outline-secondary+.dropdown-menu>.dropdown-item:disabled {
+    color: #bdb6ae;
+}
 .btn-primary.dropdown-toggle+.dropdown-menu{
     background-color: #0275e3;
     border-color: #0275e3;
@@ -382,6 +386,10 @@ color: #0275e3;
     background-color: #2d96fa;
     border-color: #2d96fa;
 }
+.btn-primary+.dropdown-menu>.dropdown-item.disabled,.btn-primary+.dropdown-menu>.dropdown-item:disabled,
+.btn-outline-primary+.dropdown-menu>.dropdown-item.disabled,.btn-outline-primary+.dropdown-menu>.dropdown-item:disabled {
+    color: #9fbbd6;
+}
 .input-group>.input-group-append:last-child>.btn:not(:last-child):not(.dropdown-toggle), .input-group>.input-group-append:last-child>.input-group-text:not(:last-child), .input-group>.input-group-append:not(:last-child)>.btn, .input-group>.input-group-append:not(:last-child)>.input-group-text, .input-group>.input-group-prepend>.btn, .input-group>.input-group-prepend>.input-group-text {
     border-radius:0;
 }
\ No newline at end of file

test_app_1/templates/test_app_1/mybasePasteur.html

@@ -57,7 +57,7 @@
         </a>
         <div class="dropdown-menu" aria-labelledby="dropdownMenuExport" x-placement="bottom-start"
              style="position: absolute; will-change: transform; top: 0px; left: 0px; transform: translate3d(1258px, 47px, 0px);">
-            <button class="dropdown-item" type="button">
+            <button class="dropdown-item disabled" disabled="disabled" type="button">
                 <i class="fa fa-clipboard"></i>
                 Copy link into clipboard (recommended)
             </button>
@@ -74,7 +74,7 @@
         </a>
         <div class="dropdown-menu" aria-labelledby="dropdownMenuExport" x-placement="bottom-start"
              style="position: absolute; will-change: transform; top: 0px; left: 0px; transform: translate3d(1258px, 47px, 0px);">
-            <button class="dropdown-item" type="button">
+            <button class="dropdown-item disabled" disabled="disabled" type="button">
                 <i class="fa fa-clipboard"></i>
                 Copy link into clipboard (recommended)
             </button>
@@ -95,7 +95,7 @@
                 <i class="fa fa-clipboard"></i>
                 Copy link into clipboard (recommended)
             </button>
-            <button class="dropdown-item" type="button" onclick="$('form').submit()">
+            <button class="dropdown-item disabled" disabled="disabled" type="button" onclick="$('form').submit()">
                 <i class="fa fa-download"></i>
                 Download displayed data in a spreadsheet
             </button>
@@ -112,7 +112,7 @@
                 <i class="fa fa-clipboard"></i>
                 Copy link into clipboard (recommended)
             </button>
-            <button class="dropdown-item" type="button" onclick="$('form').submit()">
+            <button class="dropdown-item disabled" disabled="disabled" type="button" onclick="$('form').submit()">
                 <i class="fa fa-download"></i>
                 Download displayed data in a spreadsheet
             </button>