fix: Keyboard accessible context menus (#1768)

- Makes menus fully accessible and keyboard driven
- Currently adds 2.8% to initial bundle size due to the inclusion of Reakit and its dependency, popperjs.
- Converts all menus to functional components
- Remove old custom menu system
- Various layout and flow improvements around the menus

closes #1766

shared/i18n/locales/en_US/translation.json

@@ -8,6 +8,7 @@
   "Drafts": "Drafts",
   "Templates": "Templates",
   "Deleted Collection": "Deleted Collection",
+  "Submenu": "Submenu",
   "New": "New",
   "Only visible to you": "Only visible to you",
   "Draft": "Draft",
@@ -22,7 +23,6 @@
   "Never viewed": "Never viewed",
   "Viewed": "Viewed",
   "in": "in",
-  "More options": "More options",
   "Insert column after": "Insert column after",
   "Insert column before": "Insert column before",
   "Insert row after": "Insert row after",
@@ -76,6 +76,7 @@
   "Warning": "Warning",
   "Warning notice": "Warning notice",
   "Icon": "Icon",
+  "Choose icon": "Choose icon",
   "Loading": "Loading",
   "Search": "Search",
   "Outline is available in your language {{optionLabel}}, would you like to change?": "Outline is available in your language {{optionLabel}}, would you like to change?",
@@ -104,23 +105,29 @@
   "Export Data": "Export Data",
   "Integrations": "Integrations",
   "Installation": "Installation",
+  "Appearance": "Appearance",
+  "System": "System",
+  "Light": "Light",
+  "Dark": "Dark",
+  "Account": "Account",
   "Settings": "Settings",
   "API documentation": "API documentation",
   "Changelog": "Changelog",
   "Send us feedback": "Send us feedback",
   "Report a bug": "Report a bug",
-  "Appearance": "Appearance",
-  "System": "System",
-  "Light": "Light",
-  "Dark": "Dark",
   "Log out": "Log out",
-  "Collection permissions": "Collection permissions",
+  "Path to document": "Path to document",
+  "Group member options": "Group member options",
+  "Members": "Members",
+  "Remove": "Remove",
+  "Collection": "Collection",
   "New document": "New document",
   "Import document": "Import document",
   "Edit": "Edit",
   "Permissions": "Permissions",
   "Export": "Export",
   "Delete": "Delete",
+  "Collection permissions": "Collection permissions",
   "Edit collection": "Edit collection",
   "Delete collection": "Delete collection",
   "Export collection": "Export collection",
@@ -131,6 +138,7 @@
   "Document archived": "Document archived",
   "Document restored": "Document restored",
   "Document unpublished": "Document unpublished",
+  "Document options": "Document options",
   "Restore": "Restore",
   "Choose a collection": "Choose a collection",
   "Unpin": "Unpin",
@@ -152,21 +160,26 @@
   "Share document": "Share document",
   "Edit group": "Edit group",
   "Delete group": "Delete group",
-  "Members": "Members",
+  "Group options": "Group options",
+  "Member options": "Member options",
   "collection": "collection",
+  "New child document": "New child document",
   "New document in <1>{{collectionName}}</1>": "New document in <1>{{collectionName}}</1>",
   "New template": "New template",
   "Link copied": "Link copied",
+  "Revision options": "Revision options",
   "Restore version": "Restore version",
   "Copy link": "Copy link",
   "Share link revoked": "Share link revoked",
   "Share link copied": "Share link copied",
+  "Share options": "Share options",
   "Go to document": "Go to document",
   "Revoke link": "Revoke link",
   "By {{ author }}": "By {{ author }}",
   "Are you sure you want to make {{ userName }} an admin? Admins can modify team and billing information.": "Are you sure you want to make {{ userName }} an admin? Admins can modify team and billing information.",
   "Are you sure you want to make {{ userName }} a member?": "Are you sure you want to make {{ userName }} a member?",
   "Are you sure you want to suspend this account? Suspended users will be prevented from logging in.": "Are you sure you want to suspend this account? Suspended users will be prevented from logging in.",
+  "User options": "User options",
   "Make {{ userName }} a member…": "Make {{ userName }} a member…",
   "Make {{ userName }} an admin…": "Make {{ userName }} an admin…",
   "Revoke invite": "Revoke invite",
@@ -212,7 +225,6 @@
   "No people left to add": "No people left to add",
   "Read only": "Read only",
   "Read & Edit": "Read & Edit",
-  "Remove": "Remove",
   "Active <1></1> ago": "Active <1></1> ago",
   "Never signed in": "Never signed in",
   "Invited": "Invited",