enhance: j jump to a property key or value (selection mode)

We can support jump to any block in the future.
More enhancements need to be done including:
1. still focus on the block or property key/value after any property
operation
2. up/down/left/right support maybe?

src/main/frontend/components/container.cljs

@@ -48,6 +48,7 @@
             [frontend.util :as util]
             [frontend.util.cursor :as cursor]
             [frontend.components.window-controls :as window-controls]
+            [frontend.components.jump :as jump]
             [medley.core :as medley]
             [goog.dom :as gdom]
             [goog.object :as gobj]
@@ -920,6 +921,8 @@
         (when (util/electron?)
           (find-in-page/search))
 
+        (jump/jump)
+
         (main {:route-match         route-match
                :margin-less-pages?  margin-less-pages?
                :logged?             logged?