fix flattening/type-conversion of sequential params during inline caching

src/clj/com/rpl/specter/impl.cljc

@@ -604,7 +604,9 @@
 
 (defn- magic-precompilation* [o]
   (cond (sequential? o)
-        (flatten (map magic-precompilation* o))
+        (if (list? o)
+          (map magic-precompilation* o)
+          (into (empty o) (map magic-precompilation* o)))
 
         (instance? VarUse o)
         (if (dynamic-var? (:var o))

test/com/rpl/specter/core_test.cljc

@@ -1302,3 +1302,6 @@
   (let [res (setval [s/ALL s/FIRST] "a" {:a 1 :b 2})]
     (is (= {"a" 2} res))
     (is (= 1 (count res)))))
+
+(deftest inline-caching-vector-params-test
+  (is (= [10 [11]] (multi-transform (s/terminal-val [10 [11]]) :a))))