fix(lsp): set 'linebreak' in floating windows (#36275)

Set linebreak to avoid splitting words.

Fix #36268

runtime/lua/vim/lsp/util.lua

@@ -1760,6 +1760,7 @@ function M.open_floating_preview(contents, syntax, opts)
 
   vim.wo[floating_winnr].foldenable = false -- Disable folding.
   vim.wo[floating_winnr].wrap = opts.wrap -- Soft wrapping.
+  vim.wo[floating_winnr].linebreak = true -- Break lines a bit nicer
   vim.wo[floating_winnr].breakindent = true -- Slightly better list presentation.
   vim.wo[floating_winnr].smoothscroll = true -- Scroll by screen-line instead of buffer-line.