use lsp-feature? to check for hover capability instead of lsp--capability (#734)

Author: theschmocker

lsp-ui-doc.el

@@ -930,7 +930,7 @@ HEIGHT is the documentation number of lines."
   (when (and lsp-ui-doc-show-with-cursor
              (not (memq this-command lsp-ui-doc--ignore-commands))
              (not (bound-and-true-p lsp-ui-peek-mode))
-             (lsp--capability "hoverProvider"))
+             (lsp-feature? "textDocument/hover"))
     (-if-let (bounds (or (and (symbol-at-point) (bounds-of-thing-at-point 'symbol))
                          (and (looking-at "[[:graph:]]") (cons (point) (1+ (point))))))
         (unless (and (equal lsp-ui-doc--bounds bounds) (not lsp-ui-doc--hide-on-next-command))