feat: check if webview runtime is accessible when creating a webview

[amrbashir]

No description provided.

[github-actions]

Package Changes Through 99bb35a

There are 7 changes which include tauri-bundler with patch, tauri with minor, @tauri-apps/api with minor, tauri-cli with patch, @tauri-apps/cli with patch, tauri-runtime-wry with patch, tauri-utils with minor

Planned Package Versions

The following package releases are the planned based on the context of changes in this pull request.

package	current	next
@tauri-apps/api	2.5.0	2.6.0
tauri-utils	2.4.0	2.5.0
tauri-bundler	2.4.0	2.4.1
tauri-runtime	2.6.0	2.6.1
tauri-runtime-wry	2.6.0	2.6.1
tauri-codegen	2.2.0	2.2.1
tauri-macros	2.2.0	2.2.1
tauri-plugin	2.2.0	2.2.1
tauri-build	2.2.0	2.2.1
tauri	2.5.1	2.6.0
@tauri-apps/cli	2.5.0	2.5.1
tauri-cli	2.5.0	2.5.1

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[Legend-Master]

Code looks good, just a few nit picks, didn't test it though