refactor(conversation-context-bar): slim folder and branch pickers to selection only

- Match popover corner styling of folder picker with branch picker
- Drop 'open folder from disk' entry from folder picker
- Drop 'new branch' entry and dialog from branch picker

src/i18n/messages/ar.json

@@ -1797,9 +1797,6 @@
       "noFolders": "No folders",
       "noBranches": "No branches",
       "noBranch": "(no branch)",
-      "openNewFolder": "Open folder from disk...",
-      "cancel": "Cancel",
-      "create": "Create",
       "commit": "Commit",
       "push": "Push",
       "merge": "Merge",

src/i18n/messages/de.json

@@ -1797,9 +1797,6 @@
       "noFolders": "No folders",
       "noBranches": "No branches",
       "noBranch": "(no branch)",
-      "openNewFolder": "Open folder from disk...",
-      "cancel": "Cancel",
-      "create": "Create",
       "commit": "Commit",
       "push": "Push",
       "merge": "Merge",

src/i18n/messages/en.json

@@ -1797,9 +1797,6 @@
       "noFolders": "No folders",
       "noBranches": "No branches",
       "noBranch": "(no branch)",
-      "openNewFolder": "Open folder from disk...",
-      "cancel": "Cancel",
-      "create": "Create",
       "commit": "Commit",
       "push": "Push",
       "merge": "Merge",

src/i18n/messages/es.json

@@ -1797,9 +1797,6 @@
       "noFolders": "No folders",
       "noBranches": "No branches",
       "noBranch": "(no branch)",
-      "openNewFolder": "Open folder from disk...",
-      "cancel": "Cancel",
-      "create": "Create",
       "commit": "Commit",
       "push": "Push",
       "merge": "Merge",

src/i18n/messages/fr.json

@@ -1797,9 +1797,6 @@
       "noFolders": "No folders",
       "noBranches": "No branches",
       "noBranch": "(no branch)",
-      "openNewFolder": "Open folder from disk...",
-      "cancel": "Cancel",
-      "create": "Create",
       "commit": "Commit",
       "push": "Push",
       "merge": "Merge",

src/i18n/messages/ja.json

@@ -1797,9 +1797,6 @@
       "noFolders": "No folders",
       "noBranches": "No branches",
       "noBranch": "(no branch)",
-      "openNewFolder": "Open folder from disk...",
-      "cancel": "Cancel",
-      "create": "Create",
       "commit": "Commit",
       "push": "Push",
       "merge": "Merge",

src/i18n/messages/ko.json

@@ -1797,9 +1797,6 @@
       "noFolders": "No folders",
       "noBranches": "No branches",
       "noBranch": "(no branch)",
-      "openNewFolder": "Open folder from disk...",
-      "cancel": "Cancel",
-      "create": "Create",
       "commit": "Commit",
       "push": "Push",
       "merge": "Merge",

src/i18n/messages/pt.json

@@ -1797,9 +1797,6 @@
       "noFolders": "No folders",
       "noBranches": "No branches",
       "noBranch": "(no branch)",
-      "openNewFolder": "Open folder from disk...",
-      "cancel": "Cancel",
-      "create": "Create",
       "commit": "Commit",
       "push": "Push",
       "merge": "Merge",

src/i18n/messages/zh-CN.json

@@ -1797,9 +1797,6 @@
       "noFolders": "暂无文件夹",
       "noBranches": "暂无分支",
       "noBranch": "（无分支）",
-      "openNewFolder": "从磁盘打开文件夹...",
-      "cancel": "取消",
-      "create": "创建",
       "commit": "提交",
       "push": "推送",
       "merge": "合并",

src/i18n/messages/zh-TW.json

@@ -1797,9 +1797,6 @@
       "noFolders": "No folders",
       "noBranches": "No branches",
       "noBranch": "(no branch)",
-      "openNewFolder": "Open folder from disk...",
-      "cancel": "Cancel",
-      "create": "Create",
       "commit": "Commit",
       "push": "Push",
       "merge": "Merge",