LSP Editor completions are either too intrusive to not useful (IEP-1309)

[gtjoseph]

Describe the bug
These are the proposals for typing "stati" at the beginning of a line...

It's not even filtered to show items that start with "stati" and shows EVERYTHING with "stati" somewhere in the result.

To Reproduce
Steps to reproduce the behavior:

1. Open any source file in any ESP_IDF example
2. Start typing "stati"

Expected behavior
A CONTEXT SENSITIVE result set.

Screenshots
See above

Espressif-IDE Product Information:
prodinfo.txt

Eclipse Error log:
Window > Show View > Other > Search for "Error Log" (Attach as a file)

Please attach the error log as described here https://github.com/espressif/idf-eclipse-plugin#error-log