UBER-438: Use tracker as default for new users/workspaces (#3403)

plugins/workbench-resources/src/components/Workbench.svelte

@@ -273,11 +273,38 @@
     let space = loc.path[3] as Ref<Space>
     let special = loc.path[4]
     const fragment = loc.fragment
-
+    let navigateDone = false
     if (app === undefined) {
       const last = localStorage.getItem(`platform_last_loc_${loc.path[1]}`)
       if (last != null) {
-        navigate(JSON.parse(last))
+        const lastValue = JSON.parse(last)
+        navigateDone = navigate(lastValue)
+        if (navigateDone) {
+          return
+        }
+      }
+      if (app === undefined && !navigateDone) {
+        const appShort = getMetadata(workbench.metadata.DefaultApplication) as Ref<Application>
+        const spaceRef = getMetadata(workbench.metadata.DefaultSpace) as Ref<Space>
+        const specialRef = getMetadata(workbench.metadata.DefaultSpecial) as Ref<Space>
+        const loc = getCurrentLocation()
+        // Be sure URI is not yet changed
+        if (loc.path[2] === undefined) {
+          loc.path[2] = appShort
+          let len = 3
+          if (spaceRef !== undefined && specialRef !== undefined) {
+            const spaceObj = await client.findOne(core.class.Space, { _id: spaceRef })
+            if (spaceObj !== undefined) {
+              loc.path[3] = spaceRef
+              loc.path[4] = specialRef
+              len = 5
+            }
+          }
+          loc.path.length = len
+          if (navigate(loc)) {
+            return
+          }
+        }
       }
     }