Extend property assignment event

[YuliiaKovalova]

Fixes #2711
and connected to KirillOsenkov/MSBuildStructuredLog#839

Context

This implementation covers cases:

• property coming from a command-line argument (e.g. /p:) (previously had a Global source)
• as an output of a target
• as an output of a task
• exact property location if it comes from xml during evaluation

Also, the message formatting logic was changed for PropertyReassignmentEventArgs and PropertyInitialValueSetEventArgs to have it optimized for existing deduplication logic.
The event save all the unique data and format it on the receiving side (e.g. LogViewer).

The measurements were taken for the latest OrchardCode

	No property init/reassignment logged	Property init/reassignment logged
Binlog Size	162.932 KB	196.269 KB
Build Time	533.4s	579.0s
BinLog allocations	Total opening time: 1:00.416, Loading: 27.490 s, Analyzing: 7.036 s, Indexing: 21.540 s, Reading files: 400 ms, Allocated: 35,920,765,696 bytes, Nodes: 219,551,777, Strings: 436,574	Total opening time: 1:28.087, Loading: 39.449 s, Analyzing: 6.991 s, Indexing: 37.275 s, Reading files: 403 ms, Allocated: 39,507,530,416 bytes, Nodes: 224,560,814, Strings: 489,542

Conclusions:

Metric	Analysis
Binlog Size	The binlog size increased from 162.932 KB to 196.269 KB, an increase of about 20%.
Build Time	The build time increased from 533.4s to 579.0s, an increase of approximately 8.5%.
BinLog allocations	Memory Allocation: Increased from ~35.9 GB to ~39.5 GB (+10% memory usage), Node and String Count: Nodes increased by 2.3% and Strings increased by 12.1%, Loading time increased significantly (from 27.5s to 39.4s), Indexing time increased (from 21.5s to 37.3s)