Search & Notebook Tagging - Mct4820 (#5203)

* implement new search and tagging for notebooks
* add example tags, remove inspector reference
* include annotations in mct
* fix performance tests


Co-authored-by: John Hill <john.c.hill@nasa.gov>
Co-authored-by: unlikelyzero <jchill2@gmail.com>
Co-authored-by: Andrew Henry <akhenry@gmail.com>

src/plugins/timeConductor/date-picker.scss

@@ -69,7 +69,8 @@
         }
 
         &.selected {
-            background: #1ac6ff; // this should be a variable... CHARLESSSSSS
+            background: $colorKey;
+            color: $colorKeyFg;
         }
     }