Added the SearchPostsInTeam method to the plugin API (#10106)

model/search_params.go

@@ -23,6 +23,8 @@ type SearchParams struct {
 	OrTerms                bool
 	IncludeDeletedChannels bool
 	TimeZoneOffset         int
+	// True if this search doesn't originate from a "current user".
+	SearchWithoutUserId bool
 }
 
 // Returns the epoch timestamp of the start of the day specified by SearchParams.AfterDate