Pill View (#1797)

* provider can now check the current session

* More testable code

* created the test condition

* it works but not always not sure why, need to dig deeper

* sadly we need to use textkit 1 to solve this issue

* removed developer option screen test

* this experimental solution kinda works but I need a way to pill recomputation is weird

* format

* display improvement

* better and faster solution

* pilished the code

* better coloring

* swift format

* just need to solve the caching issue

* fix caching issue

* tests done!

* changelog

* pr comments addressed

* all pr comments addressed

* docs

* line lenght

* updated tests and fixed a parsing permalink issue

* MentionBuilder

* pr comments

* swiftformat

* code blocks should not have links

* Update ElementX/Sources/FlowCoordinators/RoomFlowCoordinator.swift

Co-authored-by: Doug <6060466+pixlwave@users.noreply.github.com>

* Update ElementX/Sources/Services/Client/ClientProxy.swift

Co-authored-by: Doug <6060466+pixlwave@users.noreply.github.com>

* Update UnitTests/Sources/AttributedStringBuilderTests.swift

Co-authored-by: Doug <6060466+pixlwave@users.noreply.github.com>

* Update ElementX/Sources/UITests/UITestsAppCoordinator.swift

Co-authored-by: Doug <6060466+pixlwave@users.noreply.github.com>

* Update ElementX/Sources/Other/Pills/PillAttachmentViewProvider.swift

Co-authored-by: Doug <6060466+pixlwave@users.noreply.github.com>

* Update ElementX/Sources/Other/Pills/MentionBuilder.swift

Co-authored-by: Doug <6060466+pixlwave@users.noreply.github.com>

* pr comments

* swiftformat

---------

Co-authored-by: Doug <6060466+pixlwave@users.noreply.github.com>

ElementX/Sources/Services/Client/ClientProxy.swift

@@ -443,7 +443,8 @@ class ClientProxy: ClientProxyProtocol {
                 .finish()
             let roomListService = syncService.roomListService()
             
-            let roomMessageEventStringBuilder = RoomMessageEventStringBuilder(attributedStringBuilder: AttributedStringBuilder(permalinkBaseURL: .homeDirectory))
+            let roomMessageEventStringBuilder = RoomMessageEventStringBuilder(attributedStringBuilder: AttributedStringBuilder(permalinkBaseURL: appSettings.permalinkBaseURL,
+                                                                                                                               mentionBuilder: MentionBuilder(mentionsEnabled: appSettings.mentionsEnabled)))
             let eventStringBuilder = RoomEventStringBuilder(stateEventStringBuilder: RoomStateEventStringBuilder(userID: userID),
                                                             messageEventStringBuilder: roomMessageEventStringBuilder)
             roomSummaryProvider = RoomSummaryProvider(roomListService: roomListService,