[LavaMoat] improve policy generation performance in dev workflow

[kumavis]

also includes a rename of the script to reflect its role

(before) yarn lavamoat:background:auto => 886.30s
(after) yarn lavamoat:webapp:auto => 96.69s

9.2x faster!
13 minutes faster!

[metamaskbot]

Builds ready [762e151]

• builds: chrome, firefox, opera
• builds (beta): chrome, firefox, opera
• builds (flask): chrome, firefox, opera
• build viz: Build System
• mv3: Background Module Init Stats
• mv3: UI Init Stats
• mv3: Module Load Stats
• mv3: Bundle Size Stats
• mv2: E2e Actions Stats
• code coverage: Report
• storybook: Storybook
• typescript migration: Dashboard
• all artifacts
• bundle viz:

  • background: 0, 1, 2, 3, 4
  • common: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
  • content-script: 0
  • contentscript: contentscript
  • disable-console: disable-console
  • inpage: inpage
  • policy-load: policy-load
  • sentry-install: sentry-install
  • ui: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9

Page Load Metrics (2125 ± 86 ms)

Platform	Page	Metric	Min (ms)	Max (ms)	Average (ms)	StandardDeviation (ms)	MarginOfError (ms)
Chrome	Home	firstPaint	87	130	102	13	6
		domContentLoaded	1662	2448	2098	183	88
		load	1681	2448	2125	179	86
		domInteractive	1662	2448	2098	183	88

[rekmarks]

LGTM!

[Gudahtt]

Amazing! Wish we had thought of this sooner