Auto-Mocking with Sourcery (#597)

* work in progress, was able to generate a mock for the RoomProxyProtocol, I'll try if I can swap the mock we have with this one

* removing swiftformat from generated

* added the disable of swiftlint directly into the .stencil

* testing if danger still complains

* improved the stencil

* session verification controller proxy using auto mockable

* BugReport mocks and tests added

* changelog

* fixing a typo

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

* fix typo in the test

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

* removing the Protocol word from the type if present

* using extension in place of a subclass

* removed unused imports

* improved the yielding code

* moved Sourcery files

* stencil master

---------

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

.swiftformat

@@ -1,6 +1,6 @@
 --swiftversion 5.6
 
---exclude ElementX/Sources/Generated,vendor,**/Package.swift
+--exclude ElementX/Sources/Generated,vendor,**/Package.swift,ElementX/Sources/Mocks/Generated
 
 --disable wrapMultiLineStatementBraces
 --disable hoistPatternLet