DuckSay: Explicitly call ddg_spice_duck_say()

Similar to Stopwatch or Timer or Flash, we need to call the JS function explicitly since they don't have endpoints that call them.
DuckSay: Append the title of the joke in the bubble.
Dictionary - fix overlapping text
Merge pull request #1113 from MariagraziaAlastra/wordnik2

Dictionary - fix overlapping text
Merge pull request #1110 from duckduckgo/jag/ducksay

DuckSay: Explicitly call ddg_spice_duck_say()
replace ReleaseOnlyWithLatest with PromptIfStale
Merge pull request #1117 from duckduckgo/zaahir/remove-dzil-ReleaseOnlyWithLatest

replace ReleaseOnlyWithLatest with PromptIfStale
DuckSay: Only call the function if there is an argument.

So the old implementation was that `ddg_spice_duck_say()` was getting called every time, and the problem with that is it gets executed first before reddit even gets back to us.
DuckSay: fmt
Merge pull request #1114 from duckduckgo/jag/ducksay-call

DuckSay: Only call the function if there is an argument.