Feature/performance pdf (#426)

#  Added
- Added: Added series format information to the search typeahead to help identify duplicate series in libraries

# Fixed
- Fixed: Fixed accent color not looking well on light theme
- Fixed: Attempted to fix the memory issues with PDF reading on Docker. Uses a Memory Pool for streams and removes a bitmap operation for fixing books with transparent backgrounds (#424)

# Changed
- Changed: Refactored download logs to use the same download code as rest of Kavita 

# Dev stuff
- Added timeout for Regex's to make sure during matching, malicious filenames doesn't crash user system
- Refactored a missing GetCoverImage to use Series Format rather than old Library Type

==================================================
* Added Timeout for Regex matching to ensure malicious filenames don't crash system

* Refactored GetCoverImage to use series format rather than library type

* Refactored download logs to use the download service

* Fixed accent color not looking well on light theme

* Refactored series format into dedicated component and added to search results

* Switch to using MemoryManager for Streams to attempt to minimize GC pressure and reduced bitmap manipulation for transparency hack.

API/Services/MetadataService.cs

@@ -95,7 +95,7 @@ namespace API.Services
             if (ShouldFindCoverImage(series.CoverImage, forceUpdate))
             {
                 series.Volumes ??= new List<Volume>();
-                var firstCover = series.Volumes.GetCoverImage(series.Library.Type);
+                var firstCover = series.Volumes.GetCoverImage(series.Format);
                 byte[] coverImage = null;
                 if (firstCover == null && series.Volumes.Any())
                 {