Enhance/pdf minor tweaks (#2598)

* fix(pdf): restrict the max width of pdf viewer

* improve(pdf): change shift key as area highlight shortcut on Win32

* fix(ui): svg component warning

* improve(feat): support go to annotation block within highlight ctx menu

* improve(pdf): resolved #2567

* improve(pdf): resolved #2572

* improve(pdf): polish title display of hls page

* style(pdf): fix container layout

* improve(pdf): restrict minimum width of viewer

src/main/frontend/extensions/pdf/pdf.css

@@ -469,11 +469,11 @@
     }
 
     .extensions__pdf-toolbar {
-        background: linear-gradient(0deg, rgba(255, 255, 255, 0) 3%, #eee8d5 100%);
+      background: linear-gradient(0deg, rgba(255, 255, 255, 0) 3%, #eee8d5 100%);
 
-        .buttons {
-            background-color: #f6efdf;
-        }
+      .buttons {
+        background-color: #f6efdf;
+      }
     }
   }
 }
@@ -505,6 +505,10 @@
         display: block;
         border: none;
       }
+
+      .prefix-link > .hl-area {
+        cursor: alias;
+      }
     }
   }
 }
@@ -530,10 +534,22 @@
       a.prefix-link {
         display: inline;
       }
+
+      .hl-page {
+        display: inline-flex;
+        justify-content: space-between;
+        width: 85%;
+
+        > label {
+          flex: 1;
+          cursor: text;
+        }
+      }
     }
 
     .hl-area {
       display: block;
+      cursor: text;
 
       img {
         margin: 0;
@@ -544,11 +560,6 @@
 }
 
 body[data-page] {
-  #main-content-container {
-    margin: 0 !important;
-    padding: 0 !important;
-  }
-
   .extensions__pdf-loader {
     width: 100%;
   }