UI message for ShadeTool when required Time is not enabled

src/essence/Tools/Shade/ShadeTool.js

@@ -1800,6 +1800,16 @@ function interfaceWithMMGIS() {
 
     if (TimeControl.enabled != true) {
         console.error('ERROR: ShadeTool - Time must be enabled.')
+        let tools = d3.select('#toolPanel')
+        //Clear it
+        tools.selectAll('*').remove()
+        //Add a semantic container
+        tools = tools.append('div').style('height', '100%')
+        //Add the markup to tools or do it manually
+        tools.html(
+            `<div style="position: absolute; top: 50%; left: 50%; transform: translateX(-50%) translateY(-50%); text-align: center; color: var(--color-h);">The Shade Tool requires that Time be enabled by the administrators.</div>`
+        )
+
         return
     }