Override Required Attributes Inspection for x-bind

[joao-pedro-braz]

This commit overrides the default Required Attributes Inspection for XML, in a manner that accounts for bounded attributes.

This fixes https://github.com/inxilpro/IntellijAlpine/issues/44.

[inxilpro]

When I run this I get the following:

com.intellij.diagnostic.PluginException: Short name 'RequiredAttributes' is not unique

I tried updating the short name in the plugin.xml file and overriding it in AlpineRequiredAttributesInspection which addresses the issue, but then it appears that this change doesn't do anything, because the following:

<img :src="getSrc()" :alt="getAlt()" />

Triggers:

Am I missing the intention of this PR?