Fix file_ingore_patterns for tags and lsp (#309)

closes #299 

authored by: @Conni2461

lua/telescope/pickers.lua

@@ -439,11 +439,14 @@ function Picker:find()
       log.trace("Processing result... ", entry)
 
       for _, v in ipairs(self.file_ignore_patterns or {}) do
-        if string.find(entry.value, v) then
+        local file = type(entry.value) == 'string' and entry.value or entry.filename
+        if file then
+          if string.find(file, v) then
             log.debug("SKPIPING", entry.value, "because", v)
             return
           end
         end
+      end
 
       local sort_ok, sort_score = nil, 0
       if self.sorter then