[Follow up to PR #22293][L10n] Send button is overlapping the query/string because it wasn't moved to the left side of the text field for RTL

[hffvld]

Description

Follow-up to #22293

Steps to reproduce

1. Change device language to any RTL, for example, Arabic or Hebrew
2. Launch Brave
3. Three-dot menu > Leo
4. Observe that the Send button is not mirrored for RTL and overlaps the string/query

Actual result

1	2

The Send button overlaps the query/string because it wasn't moved to the left side of the text field for RTL.

Expected result

The Send button must be moved to the left side of the text field for RTL, so it will not overlap the string/query.

Issue reproduces how often

Easily reproduced

Version/Channel Information:

• Can you reproduce this issue with the current Play Store version? NO
• Can you reproduce this issue with the current Play Store Beta version? NO
• Can you reproduce this issue with the current Play Store Nightly version? YES

Device details

• Install type (ARM, x86): ARM
• Device type (Phone, Tablet, Phablet): PHONE
• Android version: ANY

Brave version

Brave build: 1.65.40 
Chromium: 122.0.6261.69 (Official Build) canary (64-bit) 

Website problems only

• Does the issue resolve itself when disabling Brave Shields?
• Does the issue resolve itself when disabling Brave Rewards?
• Is the issue reproducible on the latest version of Chrome?

Additional information

[kjozwiak]

The above requires 1.63.168 or higher for 1.63.x verification 👍

[hffvld]

Verified on Pixel 7 using version(s):

Device/OS: Pixel 7 / panther_beta-user 14 AP21.240119.009 release-keys
Brave build: 1.63.168
Chromium: 122.0.6261.94 (Official Build) (64-bit) 

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STEPS:

1. Follow the steps from [Follow up to PR #22293][L10n] Send button is overlapping the query/string because it wasn't moved to the left side of the text field for RTL #36413 (comment)
2. Verify

ACTUAL RESULTS:

• Verified that the Send button is on the left side of the text field for RTL.

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