Adds timings to webpack icon font generation

Ensures classname don't get mangled

- Adds `gitlens.experimental.openChangesInMultiDiffEditor` and requires `multiDiffEditor.experimental.enabled` to also be set

- Avoids importing tons of types into the module

Attempts to improve perf will better parallel i/o

Consolidated log into log2 calls (and renames it)

- As fast as esbuild minification but with better results than terser

Adds default (60s) timeout to fetch requests
Refs #3013

Happens when you are signed out and open the drafts view

* Providers -> integrations (wip)

* Updates folder structure of provider and auth logic

* Adds basic providers api integration

Adds filtering support on inputs

Improves types and adds getCurrentUser support

Updates getCurrentUser Fns

Adds GetReposFn for Azure

Reorganizes types and constants

Adds  providers service

Uses correct filter property for Bitbucket PRs

Switches to logged errors

Adds filter compatibility check

Adds paging and per-repo PR/Issue support

Uses PagedResult for paging

Updates dependencies

Updates dependency

Reorganizes and moves provider service logic to providerIntegration

Updates missing provider mappings, ProviderId usage

Updates provider api dependency

Adds enterprise domain passing and GLSH

Uses the correct base api urls

Updates dependency

* Refactors provider integrations (wip)
 - Removes `RichRemoteProvider` in favor of `ProviderIntegration`
 - Implements GitLab integration
 - Fixes caching
 - Fixes GitHub authentication

* Avoids allocating integration auth before required

* Unifies remote provider service into integrations

* Fixes GitLab API base url

* Moves fallback for getting vscode session to integration auth service

---------

Co-authored-by: Eric Amodio <eamodio@gmail.com>