fix(extras): disable blink path source in CopilotChat (#5666) (#5754)

Fix #5666 with the answer given in the discussion.

- [x] I've read the
[CONTRIBUTING](https://github.com/LazyVim/LazyVim/blob/main/CONTRIBUTING.md)
guidelines.

Co-authored-by: svirschevskiy <alexey.svirshchevskiy@sitoo.com>

lua/lazyvim/plugins/extras/ai/copilot-chat.lua

@@ -85,4 +85,24 @@ return {
       })
     end,
   },
+
+  -- Blink integration
+  {
+    "saghen/blink.cmp",
+    optional = true,
+    ---@module 'blink.cmp'
+    ---@type blink.cmp.Config
+    opts = {
+      sources = {
+        providers = {
+          path = {
+            -- Path sources triggered by "/" interfere with CopilotChat commands
+            enabled = function()
+              return vim.bo.filetype ~= "copilot-chat"
+            end,
+          },
+        },
+      },
+    },
+  },
 }