feat(visTab): adds conditional render of vis buttons

Render vis tab buttons if there is at least a visualization running.

libs/shared/lib/vis/components/VisualizationTabBar.tsx

@@ -125,36 +125,38 @@ export default function VisualizationTabBar(props: { fullSize: () => void; expor
       </div>
       <div className="shrink-0 sticky right-0 px-0.5 ml-auto items-center flex">
         <ControlContainer>
-          <TooltipProvider delayDuration={0}>
-            <Tooltip>
-              <TooltipTrigger asChild>
-                <Button
-                  variantType="secondary"
-                  variant="ghost"
-                  size="xs"
-                  iconComponent="icon-[ic--baseline-fullscreen]"
-                  onClick={props.fullSize}
-                />
-              </TooltipTrigger>
-              <TooltipContent>
-                <p>Full screen</p>
-              </TooltipContent>
-            </Tooltip>
-            <Tooltip>
-              <TooltipTrigger asChild>
-                <Button
-                  variantType="secondary"
-                  variant="ghost"
-                  size="xs"
-                  iconComponent="icon-[ic--baseline-camera-alt]"
-                  onClick={props.exportImage}
-                />
-              </TooltipTrigger>
-              <TooltipContent>
-                <p>Export image [Ctrl+S]</p>
-              </TooltipContent>
-            </Tooltip>
-          </TooltipProvider>
+          {openVisualizationArray.length > 0 && (
+            <TooltipProvider delayDuration={0}>
+              <Tooltip>
+                <TooltipTrigger asChild>
+                  <Button
+                    variantType="secondary"
+                    variant="ghost"
+                    size="xs"
+                    iconComponent="icon-[ic--baseline-fullscreen]"
+                    onClick={props.fullSize}
+                  />
+                </TooltipTrigger>
+                <TooltipContent>
+                  <p>Full screen</p>
+                </TooltipContent>
+              </Tooltip>
+              <Tooltip>
+                <TooltipTrigger asChild>
+                  <Button
+                    variantType="secondary"
+                    variant="ghost"
+                    size="xs"
+                    iconComponent="icon-[ic--baseline-camera-alt]"
+                    onClick={props.exportImage}
+                  />
+                </TooltipTrigger>
+                <TooltipContent>
+                  <p>Export image [Ctrl+S]</p>
+                </TooltipContent>
+              </Tooltip>
+            </TooltipProvider>
+          )}
         </ControlContainer>
       </div>
     </div>