Temporary solution (7)
I believe the answer is:
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">temporary solution</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for stopgap that I've seen before include "Provisional" , "Temporary fix" , "Interim" , "A temporary substitute or solution" , "caretaker" .)