fix: add translatable Shift+Tab hint and enable pointer events on info label

Author: abose

src/nls/root/strings.js

@@ -1932,6 +1932,7 @@ define({
     "AI_CHAT_MODE_INFO_PLAN": "AI will propose a plan before making changes",
     "AI_CHAT_MODE_INFO_EDIT": "AI can edit files. Shell commands need approval",
     "AI_CHAT_MODE_INFO_FULL_AUTO": "AI can edit files and run commands without approval",
+    "AI_CHAT_MODE_SWITCH_HINT": "(Shift+Tab to switch)",
     "AI_CHAT_BASH_CONFIRM_TITLE": "Allow command?",
     "AI_CHAT_BASH_ALLOW": "Allow",
     "AI_CHAT_BASH_DENY": "Deny",

src/styles/Extn-AIChatPanel.less

@@ -1753,7 +1753,7 @@
             margin-left: auto;
             font-size: 11px;
             line-height: 1;
-            pointer-events: none;
+            pointer-events: auto;
             white-space: nowrap;
             overflow: hidden;
             text-overflow: ellipsis;