Issue #3059950 by phenaproxima, Nebel54, seanB, alexpott: Media sources should handle empty source field values more gracefully

Issue #2946122 by mikelutz, heddn, tim.plunkett, phenaproxima, alexpott, joelpittet, MegaChriz, joachim, xjm: Deprecate ConfigurablePluginInterface and replace with an interface that doesn't extend DependentPluginInterface

Revert "Issue #2946122 by mikelutz, heddn, tim.plunkett, phenaproxima, alexpott, MegaChriz, joachim: Deprecate ConfigurablePluginInterface and replace with an interface that doesn't extend DependentPluginInterface"

This reverts commit b1f49624.

Issue #2946122 by mikelutz, heddn, tim.plunkett, phenaproxima, alexpott, MegaChriz, joachim: Deprecate ConfigurablePluginInterface and replace with an interface that doesn't extend DependentPluginInterface

Issue #2934966 by benjifisher, starshaped: Make it easier to get source field values from media items

Issue #2865184 by chr.fritsch, phenaproxima, larowlan, marcoscano, xjm: Allow MediaSource plugins provide default field form/view display settings

Issue #2831274 by slashrsm, seanB, Wim Leers, chr.fritsch, phenaproxima, naveenvalecha, marcoscano, webflo, Gábor Hojtsy, amateescu, Boobaa, iMiksu, mtodor, effulgentsia, xjm, Berdir, tim.plunkett, dawehner, tkoleary, tstoeckler, tedbow, alexpott, yoroy, catch, Bojhan, andypost, jhedstrom, jibran, aspilicious, boztek, cbr, bigbaldy, alex0412, dagmar, blueminds, ekes, Dave Reid, Sam152, bojanz, pixelmord, jonathanshaw, CTaPByK, webchick, samuel.mortenson, dbt102, dishabhadra, proweb.ua, rakesh.gectcr, rasikap, paranojik, pameeela, neardark, NormySan, Primsi, nicolas.rafaelli, romainj, royal121, vladan.me, vpeltot, woprrr, vilepickle, toni04, scheban, tduong, temkin, tim-e, mbovan, mashermike, felribeiro, giancarlosotelo, hctom, euphoric_mv, eric.duran7@gmail.com, edurenye, eelkeblok, H1ghlander, Jaesin, hkirsman, ja_ca, NickWilde, joachim, joshi.rohit100, marcingy, NerOcrO, Mixologic, jcisio, jfrederick, Lukas von Blarer, Maouna: Bring Media entity module to core as Media module