fix: using correct global name in bundle

[trotyl]

Current Behavior:

UMD bundles are completely BROKEN for global fallback!!!
_{Even though I guess it's still low priority since few people are using it.}

All material/cdk modules are using camelCase in import and kebab-case in export, making it unable to connect.

Export (example):

global.ng.material['form-field'] /* kebab-case here */ = global.ng.material['form-field'] || {}

Import (example):

global.ng.material.formField /* camelCase here */

Expect Behavior:

Always use camelCase variable/property in global name.

Others

• Only modules with composite names were broken, single-word module not affected;
• Not sure about the scope of this commit since it's too wide, any suggestion?

[devversion]

Good catch. LGTM

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