Make directory path in the header editable (#8018)

This change will allow users to navigate to their desired locations,
including buckets and directories that haven't been "created" yet

Fixes #7883

Add tests

Change tooltip wording

Migrate to Font Awesome 5 to use path icon

Fix sidebar not closing on mobile

browser/yarn.lock

@@ -10,6 +10,11 @@
     esutils "^2.0.2"
     js-tokens "^3.0.0"
 
+"@fortawesome/fontawesome-free@^5.10.0":
+  version "5.10.0"
+  resolved "https://registry.yarnpkg.com/@fortawesome/fontawesome-free/-/fontawesome-free-5.10.0.tgz#dbfb34093c87c9516f03ee1db3385adae3ae9461"
+  integrity sha512-XX16koDMY/tkJmec0VFfKF7RYZOze/203B1iyLnRaAySm3ZPhKaeyIpf73Yh8xhrMk3Fj4TeH3FC01qyFTyg8g==
+
 "@types/node@*":
   version "9.4.0"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-9.4.0.tgz#b85a0bcf1e1cc84eb4901b7e96966aedc6f078d1"
@@ -3230,10 +3235,6 @@ follow-redirects@^1.0.0:
   dependencies:
     debug "=3.1.0"
 
-font-awesome@^4.7.0:
-  version "4.7.0"
-  resolved "https://registry.yarnpkg.com/font-awesome/-/font-awesome-4.7.0.tgz#8fa8cf0411a1a31afd07b06d2902bb9fc815a133"
-
 for-in@^1.0.1, for-in@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/for-in/-/for-in-1.0.2.tgz#81068d295a8142ec0ac726c6e2200c30fb6d5e80"