enhance: enhance PDF reading experience. (#12121)

* enhance: enhance PDF reading experience.
- [X] Save zoom in/out scale for next opening
- [X] prevent zoom level reset when window/frame changed. fix for #4402
- [X] add a reset zoom button on the pdf toolbar, it gives an opportunity to user manually reset zoom scale to 'auto', it mimics Zotero PDF reader behavior.
- [X] Support zoom in/out with Meta/CTL + mouse wheel and track pad pinch

* enhance(pdf): allow number or string for last visit scale in debounce function

* enhance(pdf): improve scale conditions for the wheel event

---------

Co-authored-by: charlie <xyhp915@qq.com>

src/main/frontend/extensions/pdf/utils.cljs

@@ -2,7 +2,6 @@
   (:require ["/frontend/extensions/pdf/utils" :as js-utils]
             [cljs-bean.core :as bean]
             [clojure.string :as string]
-            [frontend.util :as util]
             [logseq.common.uuid :as common-uuid]
             [promesa.core :as p]))
 
@@ -109,10 +108,13 @@
   ([^js win]
    (some-> win (.getSelection) (.removeAllRanges))))
 
-(def adjust-viewer-size!
-  (util/debounce
-   (fn [^js viewer] (set! (. viewer -currentScaleValue) "auto"))
-   200))
+(defn adjust-viewer-size!
+  [^js viewer]
+  (let [bus (.-eventBus viewer)]
+    (.dispatch bus "resizing")))
+
+(defn reset-viewer-auto! [^js viewer]
+  (set! (. viewer -currentScaleValue) "auto"))
 
 (defn fix-nested-js
   [its]