fix(client): prevent add route into the main page browser history

[danilowoz]

Problem:
The iframe assigns a new URL in a manner that adds a new entry to the browser's list of visited URLs, on Firefox.

Solution:
So, instead of manipulating the iframe dom and adding/removing the src attribute, it manipulates the iframe browser history.

Fixes #398

Useful links:

• aFarkas/lazysizes@512800d
• stackoverflow.com/questions/2245883/browser-back-acts-on-nested-iframe-before-the-page-itself-is-there-a-way-to-av

[codesandbox-ci]

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To see build info of the built libraries, click here or the icon next to each commit SHA.

Latest deployment of this branch, based on commit 79b9b15:

Sandbox	Source
Sandpack Blog Example 1	Configuration

[github-actions]

Size changes

sandpack-react

Total base (gzip)	Total current (gzip)	+/-
160 kb	160 kb	⚠️ +6 bytes (+0.00%)

Details

Dependency name / file	Base	Current	+/-
0	522 kb	522 kb	✅ 0 byte
main	455 kb	455 kb	⚠️ +42 bytes (+0.01%)
index.css	27 kb	27 kb	✅ 0 byte
@codesandbox/sandpack-react	70 kb	70 kb	⚠️ +45 bytes (+0.06%)
@code-hike/classer	1 kb	1 kb	✅ 0 byte
@codesandbox/sandpack-client	13 kb	13 kb	✅ 0 byte
@codemirror/state	35 kb	35 kb	✅ 0 byte
@codemirror/view	167 kb	167 kb	✅ 0 byte
@codemirror/closebrackets	6 kb	6 kb	✅ 0 byte
@codemirror/matchbrackets	4 kb	4 kb	✅ 0 byte
@codemirror/commands	24 kb	24 kb	✅ 0 byte
@codemirror/comment	5 kb	5 kb	✅ 0 byte
@codemirror/gutter	10 kb	10 kb	✅ 0 byte
@codemirror/highlight	12 kb	12 kb	✅ 0 byte
@codemirror/history	9 kb	9 kb	✅ 0 byte
@react-hook/intersection-observer	2 kb	2 kb	✅ 0 byte
@codemirror/lang-css	11 kb	11 kb	✅ 0 byte
@codemirror/lang-javascript	6 kb	6 kb	✅ 0 byte
@codemirror/lang-html	15 kb	15 kb	✅ 0 byte
@codemirror/text	13 kb	13 kb	✅ 0 byte
style-mod	3 kb	3 kb	✅ 0 byte
@codemirror/rangeset	16 kb	16 kb	✅ 0 byte
w3c-keyname	2 kb	2 kb	✅ 0 byte
@lezer/common	33 kb	33 kb	✅ 0 byte
@codemirror/language	19 kb	19 kb	✅ 0 byte
@react-hook/passive-layout-effect	191 bytes	191 bytes	✅ 0 byte
@lezer/css	9 kb	9 kb	✅ 0 byte
@lezer/html	12 kb	12 kb	✅ 0 byte
@lezer/javascript	54 kb	54 kb	✅ 0 byte
@codemirror/autocomplete	34 kb	34 kb	✅ 0 byte
@lezer/lr	31 kb	31 kb	✅ 0 byte
@codemirror/tooltip	14 kb	14 kb	✅ 0 byte
lodash.isequal	18 kb	18 kb	✅ 0 byte
codesandbox-import-utils	367 bytes	367 bytes	✅ 0 byte
react-devtools-inline	823 kb	823 kb	✅ 0 byte
webpack	487 bytes	487 bytes	✅ 0 byte
intersection-observer	13 kb	13 kb	✅ 0 byte
lz-string	9 kb	9 kb	✅ 0 byte
react-is	2 kb	2 kb	✅ 0 byte

sandpack-client

Total base (gzip)	Total current (gzip)	+/-
7 kb	7 kb	⚠️ +11 bytes (+0.15%)

Details

Dependency name / file	Base	Current	+/-
main	20 kb	20 kb	⚠️ +57 bytes (+0.27%)
@codesandbox/sandpack-client	11 kb	11 kb	⚠️ +76 bytes (+0.69%)
codesandbox-import-utils	3 kb	3 kb	✅ 0 byte
lodash.isequal	18 kb	18 kb	✅ 0 byte
webpack	487 bytes	487 bytes	✅ 0 byte

[DeMoorJasper]

Looks good to me, don't think this will have any unwanted side-effects

[alexnm]

lgtm