Autocompletion: Reintroduce enum options on assignment

[HolonProduction]

Important

Since on master #96213 was caused by overlapping issues from #85224 and #94082 this PR can not be cherry-picked

Fixes #96213
Fixes #95986

• Fixes an oversight in Prefer identifiers annotated type if assigned type is incompatible to it #85224: The information needed for the enum suggestions when assigning are not contained within the datatype but the CompletionIdentifier so we can't just store and return the completion identifiers datatype
• Reintroduces the p_force parameter which I removed in Autocompletion: Rework argument options string literal completion #94082, in investigating those issues I found out why we need it 🥳 (I added a comment in case the question comes up again). Luckily my assumptions from Autocompletion: Rework argument options string literal completion #94082 that it should be true almost always still holds, so I changed the default value accordingly. In the very specific case that we try to push a context but haven't consumed any tokens for the structure, that this context relates to, we don't want to override an existing context.
• Hacks a forcefully pushed completion context for COMPLETION_IDENTIFIER into parse_precedence the fact that all identifiers were never pushed with p_force caused some issues before. Now if an identifier is actually consumed the context is pushed with p_force, and can be overridden in specific contexts (e.g. in an assignment)
• Fixes an oversight in Autocompletion: Rework argument options string literal completion #94082 which allowed to override completion contexts which didn't have a node from everywhere. Now a context without node can't be overridden at all since the node acts as check that a completion context only gets overridden from a relevant position.
• Adds tests for Autocomplete doesn't suggest relevant enum values for some Control properties #96213
• I already had tests for Argument hint does not appear #95986 on a separate branch which test call hints in general. I didn't cherry pick them over but they will be coming eventually.

Admittedly this is getting to the same grade of hackiness that we had before, but as long as the number of open issues decreases I'll still count it as a win 😬

[akien-mga]

Thanks!