Updated to 1.1.0-next.bda9ff9d Theia.

Also bumped up the `lerna` dependency as it mysteriously made the
`nsfw` module re-build incorrectly for electron and caused a runtime
error due to missing `lodash.isnumber` dependency.

Signed-off-by: Akos Kitta <kittaakos@typefox.io>

package.json

@@ -8,7 +8,7 @@
   "private": true,
   "devDependencies": {
     "@theia/cli": "next",
-    "lerna": "^3.13.3",
+    "lerna": "^3.20.2",
     "rimraf": "^2.6.1",
     "tslint": "^5.5.0",
     "typescript": "3.5.1"