fixed query filter for questions with no accepted answer, when applie…

…d through the filter drawer

src/main/java/com/erudika/scoold/controllers/QuestionsController.java

@@ -189,6 +189,8 @@ public String applyFilter(@RequestParam(required = false) String sortby,
 			if (!StringUtils.isBlank(typeFilter)) {
 				HttpUtils.setRawCookie("questions-type-filter", typeFilter,
 					req, res, "Strict", (int) TimeUnit.DAYS.toSeconds(365));
+			} else {
+				HttpUtils.removeStateParam("questions-type-filter", req, res);
 			}
 			savePagerToCookie(req, res, p);
 			HttpUtils.setRawCookie("questions-view-compact", compactViewEnabled,
@@ -451,7 +453,7 @@ private String getQueryWithPossibleExtension(String query, HttpServletRequest re
 			queryExt = StringUtils.trimToEmpty(HttpUtils.getCookieValue(req, "questions-type-filter"));
 		}
 		if (!queryExt.isBlank()) {
-			return query.equals("*") ? queryExt : query + " AND (" + queryExt + ")";
+			return query.equals("*") ? queryExt : query + " AND (" + Utils.urlDecode(queryExt) + ")";
 		}
 		return query;
 	}

src/main/resources/templates/questions.vm

@@ -221,7 +221,7 @@
 							#macro(filterselected $prop)
 							#if($questionsTypeFilter == $prop)selected#end
 							#end
-							#set($unacceptedQuery = "properties.answercount:[1 TO *] NOT properties.answerid:[* TO *]" )
+							#set($unacceptedQuery = $utils.urlEncode("properties.answercount:[1 TO *] NOT properties.answerid:[* TO *]") )
 							<select name="typeFilter">
 								<option value="" #filterselected("")>$!lang.get('showall')</option>
 								<option value="type:question" #filterselected("type:question")>$!lang.get('questions.title')</option>