[main] [HybridWebView] Refactor and convert the HybridWebView.js file into a TypeScript file

[github-actions]

Backport of #27183 to main

/cc @mattleibow

[mattleibow]

/backport to net10.0

[github-actions]

Started backporting to net10.0: https://github.com/dotnet/maui/actions/runs/15399723292

[github-actions]

@mattleibow backporting to "net10.0" failed, the patch most likely resulted in conflicts:

$ git am --3way --empty=keep --ignore-whitespace --keep-non-patch changes.patch

Applying: Convert HybridWebView.js to TypeScript and embed
.git/rebase-apply/patch:584: trailing whitespace.
 * This file contains the JavaScript code that the HybridWebView control uses to 
.git/rebase-apply/patch:586: trailing whitespace.
 * 
.git/rebase-apply/patch:750: trailing whitespace.
         * 
.git/rebase-apply/patch:760: trailing whitespace.
         * 
.git/rebase-apply/patch:763: trailing whitespace.
         * 
warning: squelched 2 whitespace errors
warning: 7 lines add whitespace errors.
Using index info to reconstruct a base tree...
M	Directory.Build.targets
M	src/Controls/samples/Controls.Sample/Maui.Controls.Sample.csproj
M	src/Controls/tests/DeviceTests/Controls.DeviceTests.csproj
M	src/Core/src/Core.csproj
Falling back to patching base and 3-way merge...
Auto-merging src/Core/src/Core.csproj
Removing src/Controls/tests/DeviceTests/Resources/Raw/HybridTestRoot/scripts/HybridWebView.js
Auto-merging src/Controls/tests/DeviceTests/Controls.DeviceTests.csproj
Removing src/Controls/samples/Controls.Sample/Resources/Raw/HybridSamplePage/scripts/HybridWebView.js
Auto-merging src/Controls/samples/Controls.Sample/Maui.Controls.Sample.csproj
Auto-merging Directory.Build.targets
CONFLICT (content): Merge conflict in Directory.Build.targets
error: Failed to merge in the changes.
hint: Use 'git am --show-current-patch=diff' to see the failed patch
hint: When you have resolved this problem, run "git am --continue".
hint: If you prefer to skip this patch, run "git am --skip" instead.
hint: To restore the original branch and stop patching, run "git am --abort".
hint: Disable this message with "git config set advice.mergeConflict false"
Patch failed at 0001 Convert HybridWebView.js to TypeScript and embed
Error: The process '/usr/bin/git' failed with exit code 128

Please backport manually!