feat(lsp): focusable line diagnostics (#3622)

lua/lvim/lsp/config.lua

@@ -62,7 +62,7 @@ return {
     underline = true,
     severity_sort = true,
     float = {
-      focusable = false,
+      focusable = true,
       style = "minimal",
       border = "rounded",
       source = "always",