Custom search engines url should not be capped at 150 characters

[iccub]

Description:

See this post https://www.reddit.com/r/brave_browser/comments/ohvl22/150_character_limit_for_custom_search_engines_in/

Some users store their SE preferences as url params which can get pretty long

Steps to Reproduce

1. Set startpage settings, they are stored as url params

Actual result:

Expected result:

Reproduces how often: [Easily reproduced, Intermittent Issue]

Brave Version:

Device details:

Website problems only:

• did you check with Brave Shields down?
• did you check in Safari/Firefox (WkWebView-based browsers)?

Additional Information

[srirambv]

Verification passed on iPhone XR with iOS 13.5 running 1.29(21.07.20.16)

• Verified able to add a custom search engine with more than 150 characters

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Verification passed on iPhone 7+ with iOS 14.5.1 running 1.29(21.07.20.16)

• Verified able to add a custom search engine with more than 150 characters

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Verification passed on iPad Pro with iOS 14.6 running 1.29(21.07.20.16)

• Verified able to add a custom search engine with more than 150 characters